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Standard 691N
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: 1900-1903
Diameter: 29.63 mm
The Standard 691N watch movement was produced between 1900 and 1903, with 2500 units manufactured during this period. It features an open face calibre, specifically model 3. The movement includes a bimetallic screw balance and is equipped with a Breguet hairspring. It also incorporates a negative stem mechanism. The watch movement is capable of stem winding and setting, as well as indicating the subsecond.
The Standard 691N features the following functions:
- Stem wind and set
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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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 |
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