Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 992 Pocket Watch
Hamilton Grade 992 Pocket Watch

Hamilton Watch Co.

Grade: 992

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 1135409
Grade: 992
Model: 2
Estimated Production Year: 1915
Run Quantity: 2,000
Total Production: 447,200
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: 2nd Pattern (bar)
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Center Wheel Material: Gold
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
Adjustment Tolerance: DUvDD: +/- 6 sec.; 5Pv: +/- 10 sec.; Total Average: +3-6 sec. per day; Temperature: +/- 6 Seconds
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
Registry Population: 27 (1.35%)
Database Version: v49.392

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 1135070 #70 Inferred
2 1135123 #123 Inferred
3 1135251 #251 Marketplace April 23, 2020
4 1135257 #257 Marketplace July 13, 2014
5 1135409 #409 Collection September 22, 2019
6 1135433 #433 Collection January 13, 2015
7 1135515 #515 Marketplace July 25, 2021
8 1135618 #618 Collection July 04, 2018
9 1135788 #788 Inferred
10 1135829 #829 Marketplace December 02, 2016
11 1135833 #833 Marketplace April 25, 2018
12 1135955 #955 Marketplace January 05, 2017
13 1135983 #983 Marketplace September 21, 2015
14 1136107 #1107 Marketplace April 04, 2020
15 1136225 #1225 Marketplace January 31, 2016
16 1136240 #1240 Marketplace August 01, 2013
17 1136254 #1254 Collection April 27, 2014
18 1136281 #1281 Marketplace November 21, 2014
19 1136427 #1427 Collection September 13, 2019
20 1136516 #1516 Marketplace June 11, 2021
21 1136614 #1614 Collection July 25, 2016
22 1136652 #1652 Collection March 16, 2014
23 1136749 #1749 Marketplace February 24, 2018
24 1136755 #1755 Marketplace May 17, 2016
25 1136786 #1786 Marketplace July 25, 2021
26 1136815 #1815 Collection December 24, 2020
27 1136853 #1853 Marketplace March 16, 2016
Standard Deviation of Known Examples: 571.49 (Expected: 577.49, Δ6.01/0.30%)

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Data Verification Reports

1135001
Verification Serial Map
1137000

Anonymous · December 9, 2021

Serial Number 1135382 was reported as accurate.

Anonymous · December 5, 2021

Serial Number 1135143 was reported as accurate.

Anonymous · June 27, 2021

Serial Number 1135724 was reported as accurate.

Anonymous · May 22, 2021

Serial Number 1135335 was reported as accurate.

Joef21 162 · December 24, 2020

Serial Number 1136815 was reported as accurate.

Anonymous · August 18, 2020

Serial Number 1135335 was reported as accurate.

Anonymous · June 25, 2020

Serial Number 1136324 was reported as accurate.

cliffdobbins Supporter 243 · June 22, 2020

Serial Number 1135409 was reported as accurate.

Anonymous · March 10, 2020

Serial Number 1136559 was reported as accurate.

Anonymous · February 16, 2020

Serial Number 1136624 was reported as accurate.

cliffdobbins Supporter 243 · January 25, 2020

Serial Number 1135409 was reported as accurate.

Anonymous · November 15, 2019

Serial Number 1135669 was reported as accurate.

watchmego 4 · June 25, 2019

Serial Number 1135409 was reported as accurate.

Stevewgo 3 · October 29, 2018

Serial Number 1136843 was reported as accurate.

Anonymous · August 31, 2018

Serial Number 1136905 was reported as accurate.

Anonymous · July 4, 2018

Serial Number 1135618 was reported as accurate.

Anonymous · April 15, 2018

Serial Number 1136662 was reported as accurate.

Anonymous · April 5, 2018

Serial Number 1136701 was reported as accurate.

Anonymous · August 19, 2017

Serial Number 1135883 was reported as accurate.

Anonymous · April 20, 2017

Serial Number 1135176 was reported as accurate.

Anonymous · January 21, 2017

Serial Number 1136490 was reported as accurate.

Anonymous · January 7, 2017

Serial Number 1135976 was reported as accurate.

Anonymous · March 12, 2016

Serial Number 1136853 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Sabrejet 14 · February 7, 2016

Serial Number 1136225 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Sabrejet 14 · February 6, 2016

Serial Number 1136225 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · January 30, 2016

Serial Number 1135792 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · January 28, 2016

Serial Number 1136225 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

CechBro Supporter 34 · December 3, 2015

Serial Number 1135943 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · July 18, 2015

Serial Number 1135917 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · April 28, 2015

Serial Number 1135536 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · June 27, 2014

Serial Number 1135257 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · June 1, 2014

Serial Number 1136624 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 24, 2014

Serial Number 1136092 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · February 4, 2014

Serial Number 1136139 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

worldofantiques 199 · January 23, 2014

Serial Number 1135335 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2

Anonymous · December 5, 2013

Serial Number 1136903 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1 to 2
Hamilton Grade 992 Pocket Watch
Hamilton Grade 992 Pocket Watch