Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 990 Pocket Watch

Hamilton Watch Co.

Grade: 990

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 706482
Grade: 990
Model: 1
Estimated Production Year: 1908
Run Quantity: 1,000
Grade/Model Total Production: 12,599
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Registry Population: 18 (1.80%)
Database Version: v49.708

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 706034 #34 Marketplace June 05, 2015
2 706058 #58 Collection September 16, 2022
3 706068 #68 Marketplace October 07, 2021
4 706182 #182 Marketplace April 19, 2018
5 706217 #217 Marketplace June 17, 2014
6 706304 #304 Marketplace September 30, 2013
7 706402 #402 Marketplace September 12, 2018
8
Image Credit: billreid
706469 #469 Collection May 25, 2021
9
Image Credit: nicnic
706482 #482 Collection February 22, 2018
10 706517 #517 Inferred
11 706526 #526 Marketplace October 02, 2016
12
Image Credit: Gimparoo
706747 #747 Collection February 15, 2017
13 706767 #767 Inferred
14 706773 #773 Collection October 01, 2018
15 706803 #803 Marketplace September 16, 2019
16 706817 #817 Collection September 23, 2021
17 706918 #918 Inferred
18 706978 #978 Marketplace January 22, 2016
Standard Deviation of Known Examples: 309.91 (Expected: 288.82, Δ21.09/2.11%)

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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.


Anonymous · November 2, 2021

Serial Number 706101 was reported as accurate.

Anonymous · June 30, 2021

Serial Number 706101 was reported as accurate.

billreid 122 · May 25, 2021

Serial Number 706469 was reported as accurate.

Anonymous · September 19, 2020

Serial Number 706855 was reported as accurate.

Anonymous · June 18, 2020

Serial Number 706591 was reported as accurate.

billreid 122 · June 4, 2020

Serial Number 706469 was reported as accurate.

Anonymous · October 3, 2019

Serial Number 706600 was reported as accurate.

Anonymous · September 27, 2019

Serial Number 706414 was reported as accurate.

Anonymous · September 15, 2019

Serial Number 706803 was reported as accurate.

Anonymous · January 11, 2019

Serial Number 706716 was reported as accurate.

Anonymous · October 1, 2018

Serial Number 706773 was reported as accurate.

Anonymous · June 16, 2018

Serial Number 706085 was reported as accurate.

nicnic Supporter 298 · February 22, 2018

Serial Number 706482 was reported as accurate.

Gimparoo Supporter 703 · February 15, 2017

Serial Number 706747 was reported as accurate.

MichaelB 150 · April 21, 2016

Serial Number 706568 was reported as accurate.

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

Anonymous · April 14, 2016

Serial Number 706242 was reported as accurate.

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

Anonymous · November 16, 2015

Serial Number 706025 was reported as accurate.

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

Brycef 107 · April 21, 2015

Serial Number 706767 was reported as accurate.

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

Anonymous · March 5, 2015

Serial Number 706108 was reported as accurate.

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

Anonymous · February 24, 2015

Serial Number 706767 was reported as accurate.

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

Anonymous · February 22, 2015

Serial Number 706767 was reported as accurate.

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

Anonymous · February 15, 2015

Serial Number 706108 was reported as accurate.

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

ruben7 1 · July 24, 2014

Serial Number 706304 was reported as accurate.

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

Anonymous · July 12, 2013

Serial Number 706668 was reported as accurate.

Anonymous · April 10, 2013

Serial Number 706681 was reported as accurate.

Anonymous · March 27, 2013

Serial Number 706743 was reported as accurate.

Anonymous · March 21, 2013

Serial Number 706767 was reported as accurate.

Anonymous · February 27, 2013

Serial Number 706441 was reported as accurate.

Anonymous · February 16, 2013

Serial Number 706767 was reported as accurate.

Anonymous · February 10, 2013

Serial Number 706236 was reported as accurate.

Anonymous · September 21, 2012

Serial Number 706668 was reported as accurate.

Anonymous · August 6, 2012

Serial Number 706444 was reported as accurate.

Hamilton Grade 990 Pocket Watch