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Hamilton 4992B
Jewels: 7
Power Reserve: 38 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1943-1944
Diameter: 23.7 mm
Height: 3.9 mm
Hands: 1.12 x 0.64 / 0.18 mm
The Hamilton 4992B watch movement, produced between 1943 and 1944, is a manual wind movement with a sub-second function. It features the Breguet hairspring. During its production period, approximately 280,000 units were made.
The Hamilton 4992B features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| STAFF | 264-532/ELG (use 22BB/23) | 264-532/ELG | Buy part |
| STAFF, 8/0S | 22BB/23 | 5664/ELG P7.5 | Buy part |
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