Pocket Watch Database

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Mobilaero

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Member Since
April 6, 2013

 Watches

321

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293

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Waltham No. 15
Serial #5620992

Image of Waltham No. 15 #5620992 Movement
Movement Image
Image of Waltham No. 15 #5620992 Dial
Dial Image
Image of Waltham No. 15 #5620992 Case
Case Image
Image of Waltham No. 15 #5620992 Case Markings
Case Markings Image
Manufacturer Waltham
Grade No. 15
Serial Number 5620992
Size 18s
Model 1883
Jewel Count 15j
Setting Lever
Finish Gilt
Case Material Nickel
Case Manufacturer Crescent Watch Case Co.
Case Grade/Model
Case Serial # 3487
Case Details Plain C.W.C.Co. nickel case with coin edged bezel.
Dial Material Glass Enamel
Dial Type Single-Sunk
Dial Style Roman
Dial Signing Name American Waltham Watch Co.
Dial Details
Movement Markings Serial No. stamped on train bridge.
P.S. Bartlett, Waltham Mass. and Saftey Pinion stamped on barrel bridge.

August 26, 2017

Work done on model 1883 Waltham PSB #5620992

Removed from Keystone 10k GF HC with Irish Setter head engraved on rear case cover (Case used for newly acquired 927GT Union Special 18s #619877).

Removed hands and dial, hour wheel, balance and cock, and canon pinion.
Removed train and barrel bridges. Pegged out train bridge jewels, barrel arbor hole, and balance cock jewel. Cleaned plates with rodico. Pegged out and oiled main plate balance jewel. Re-installed plates onto barrel and pinions. Oiled pinion jewels and barrel arbor hole in main plate and cleaned plate with rodico then re-installed balance and cock. Noted that balance would slow when setting screw on cock. Used a small folded piece of aluminum foil as shim and after tightening balance cock down balance swung freely. Re-installed dial (with new dial washer), hour wheel and canon pinion, put dust ring back into place, re-installed hands and placed into a silverode swing ring case for time testing.

Worn by day
CU at night
16d 22h
Avg. over time
+1.24 sec. per day




Contributed to the database by Mobilaero on April 7, 2013.
This collection record was most recently edited on October 29, 2023.