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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/S7279
Access Date: June 08, 2023
From the American Horology Archive:
Hamilton Grade 950B Pocket Watch
Hamilton Watch Co.

Grade: 950B

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: S7279
Grade: 950B
Model: 6
Estimated Production Year: 1949
Run Quantity: 3,000
Grade/Model Total Production: 32,700
Size: 16s
Jewels: 23j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Bridge Plate
Bridge Type: Center
Double Roller: Yes
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Database Version: v50.869
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 95.03
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 43.20
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.303%
Registry Population: 21 (0.70%)
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Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 S4625 #225 Collection April 16, 2014
2 S4646 #246 Inferred
3
Image Credit: DEzzyD 		S4844 #444 Collection October 24, 2022
4 S4938 #538 Collection July 31, 2021
5
Image Credit: firebirdjeff02 		S5544 #1144 Collection June 02, 2020
6 S5591 #1191 Inferred
7 S5600 #1200 Inferred
8 S005613 #1213 Marketplace July 15, 2019
9 S5735 #1335 Collection June 13, 2013
10 S5769 #1369 Inferred
11 S5916 #1516 Inferred
12
Image Credit: 10mueller 		S6308 #1908 Collection December 23, 2022
13 S6420 #2020 Collection November 02, 2016
14 S6436 #2036 Collection March 08, 2018
15
Image Credit: cloud9790 		S6629 #2229 Collection January 23, 2014
16 S6758 #2358 Collection August 21, 2018
17
Image Credit: DEzzyD 		S7081 #2681 Collection November 06, 2021
18 S7144 #2744 Collection October 09, 2015
19 S7201 #2801 Collection May 05, 2013
20
Image Credit: Rickglick1 		S7274 #2874 Collection March 31, 2021
21
Image Credit: ebsrods 		S7279 #2879 Collection August 01, 2022
Standard Deviation of Known Examples: 881.11 (Expected: 866.17, Δ14.94/0.50%)

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.

10mueller 38 · December 31, 2022

Serial Number S6308 was reported as accurate.

Blicquer Supporter 57 · November 27, 2021

Serial Number S7081 was reported as inaccurate.

Note: On this page, there's no listing for double
roller, which the 950B has. On the movement entry
page, it was listed as single. Also, it was listed
as not adj. to temperature, and it is, and is so
marked. Also, the isochronism field was "no" but
it must be yes to have been accepted as RR grade,
which it was.
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Double Roller changed from No to Yes

Ahaynes 9 · July 31, 2021

Serial Number S4938 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · June 11, 2021

Serial Number S5024 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · April 21, 2021

Serial Number S6235 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 3, 2021

Serial Number S5072 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 24, 2021

Serial Number S4587 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 10, 2021

Serial Number S6539 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · September 18, 2020

Serial Number S4537 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Automatic 254 · July 10, 2020

Serial Number S5533 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 14, 2020

Serial Number S5637 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · December 10, 2019

Serial Number S5897 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · November 30, 2019

Serial Number S6965 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 18, 2019

Serial Number S6480 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · September 14, 2019

Serial Number S6559 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Titoleroy 2 · June 18, 2019

Serial Number S5589 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

dfchong 837 · April 4, 2019

Serial Number S5582 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 15, 2019

Serial Number S4538 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · December 27, 2018

Serial Number S5818 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · November 25, 2018

Serial Number S5591 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · November 25, 2018

Serial Number S6042 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

DynaDefender 6 · August 21, 2018

Serial Number S6758 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Automatic 254 · June 18, 2018

Serial Number S7311 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · June 16, 2018

Serial Number S7397 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

philsan1a 221 · March 22, 2018

Serial Number S6738 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 3, 2018

Serial Number S6965 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 9, 2017

Serial Number S6306 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · August 13, 2017

Serial Number S6512 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

dan6336 1 · November 2, 2016

Serial Number S6420 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · November 2, 2016

Serial Number S6420 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · August 26, 2016

Serial Number S7134 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 11, 2016

Serial Number S6369 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · April 20, 2016

Serial Number S6214 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 25, 2016

Serial Number S6505 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 6, 2016

Serial Number S4732 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · February 26, 2016

Serial Number S6526 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 29, 2016

Serial Number S5057 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

undertaker 10 · August 1, 2015

Serial Number S5842 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 22, 2015

Serial Number S5308 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 18, 2015

Serial Number S5446 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · June 15, 2015

Serial Number S5842 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · June 6, 2015

Serial Number S6395 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · April 30, 2015

Serial Number S6444 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 27, 2015

Serial Number S6324 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 20, 2015

Serial Number S5683 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · January 15, 2015

Serial Number S6550 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · December 19, 2014

Serial Number S6099 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Firebirdjeff 41 · September 26, 2014

Serial Number S5544 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Hjnaparlo 22 · August 4, 2014

Serial Number S4625 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · July 26, 2014

Serial Number S6352 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 950B Pocket Watch