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Standard 691N
Ligne: 19'''
Jewels: 15
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 43 mm
Height: 6.9 mm
Hands: 1.90 x 1.20 / 0.28 mm
The Standard 691N is an open face calibre watch movement, featuring a Breguet hairspring. It is characterized by the use of variations in heights and stem mechanisms, including a version with a bigger diameter for US cases. These movements can be identified by signatures indicating diameter in lignes and height in 1/12 lignes, or by newer 3-digit designations. The Standard 691N movement offers the functions of stem winding and setting, as well as a sub-second indicator. It was primarily used during the period around 1940.
The Standard 691N features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.70 x 0.210 x 580 x 18.0 mm | GR6899 | Manual | Buy mainspring |
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) |
|---|
Documents
Parts Listing
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