Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 936 Pocket Watch
Hamilton Grade 936 Pocket Watch

Hamilton Watch Co.

Grade: 936

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 555327
Grade: 936
Model: 1
Class: 2
Estimated Production Year: 1907
Run Quantity: 1,000
Grade/Model Total Production: 23,507
Size: 18s
Jewels: 17j
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Barrel: Going
Regulator: Goldthwait
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
Railroad Grade Classification: Class A
Dial Feet Locations: 2.6, 18.0, 38.2
U.S. Patents: 832672, 427072
Data Research: 1953 Hamilton Serial List
Case: Various
Registry Population: 24 (2.40%)
Database Version: v49.701

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 555121 #121 Marketplace June 12, 2017
2 555145 #145 Marketplace August 18, 2015
3 555167 #167 Marketplace May 01, 2021
4 555182 #182 Marketplace December 11, 2013
5 555200 #200 Collection January 05, 2014
6 555208 #208 Marketplace November 22, 2021
7 555277 #277 Marketplace February 03, 2020
8
Image Credit: 4mula1fan
555327 #327 Collection March 21, 2020
9 555342 #342 Marketplace February 16, 2021
10 555403 #403 Marketplace September 25, 2022
11 555415 #415 Collection May 03, 2018
12 555422 #422 Marketplace February 23, 2019
13 555423 #423 Marketplace January 13, 2019
14 555437 #437 Collection January 14, 2023
15 555445 #445 Collection October 06, 2019
16 555449 #449 Marketplace August 22, 2020
17 555468 #468 Marketplace September 20, 2013
18 555537 #537 Marketplace March 05, 2022
19 555544 #544 Inferred
20
Image Credit: Yellowtail420
555592 #592 Collection February 28, 2022
21 555726 #726 Marketplace October 13, 2017
22 555742 #742 Marketplace September 19, 2021
23
Image Credit: Chronified
555774 #774 Collection November 25, 2016
24
Image Credit: jacobwalls07
555864 #864 Collection July 05, 2017
Standard Deviation of Known Examples: 208.13 (Expected: 288.82, Δ80.69/8.07%)

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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.


Yellowtail420 Supporter 96 · March 4, 2022

Serial Number 555592 was reported as accurate.

Yellowtail420 Supporter 96 · March 4, 2022

Serial Number 555592 was reported as accurate.

Anonymous · November 16, 2021

Serial Number 555208 was reported as accurate.

Anonymous · April 23, 2021

Serial Number 555167 was reported as accurate.

Anonymous · December 15, 2020

Serial Number 555013 was reported as inaccurate.

Note: this watch has marked on the mainspring cover 17
jewels grade 924
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

MoatsJustin1 2533 · November 28, 2020

Serial Number 555381 was reported as accurate.

MoatsJustin1 2533 · November 28, 2020

Serial Number 555381 was reported as accurate.

Anonymous · July 28, 2020

Serial Number 555857 was reported as accurate.

4mula1fan 50 · March 21, 2020

Serial Number 555327 was reported as accurate.

Anonymous · February 10, 2020

Serial Number 555227 was reported as accurate.

Anonymous · January 3, 2019

Serial Number 555774 was reported as accurate.

Anonymous · February 15, 2018

Serial Number 555403 was reported as accurate.

Anonymous · January 7, 2018

Serial Number 555804 was reported as accurate.

Swatchild 20 · December 22, 2017

Serial Number 555857 was reported as accurate.

Anonymous · August 21, 2017

Serial Number 555864 was reported as accurate.

jacobwalls07 143 · July 5, 2017

Serial Number 555864 was reported as accurate.

Anonymous · August 29, 2016

Serial Number 555592 was reported as accurate.

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

Anonymous · August 18, 2015

Serial Number 555145 was reported as accurate.

sdbhcj 1 · November 28, 2014

Serial Number 555502 was reported as accurate.

Anonymous · October 1, 2014

Serial Number 555598 was reported as accurate.

Anonymous · June 12, 2013

Serial Number 555673 was reported as accurate.

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

Anonymous · March 14, 2013

Serial Number 555864 was reported as accurate.

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

Anonymous · January 21, 2013

Serial Number 555551 was reported as accurate.

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

Anonymous · January 21, 2013

Serial Number 555551 was reported as accurate.

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

Anonymous · November 5, 2012

Serial Number 555112 was reported as accurate.

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

Anonymous · November 4, 2012

Serial Number 555112 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 936 Pocket Watch
Hamilton Grade 936 Pocket Watch