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Benrus M
Ligne: 11.5'''
Jewels: 17/21
Power Reserve: 39 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1970
Diameter: 26 mm
Height: 3.6 mm
Hands: 1.30 x 0.90 x 0.21 mm
The Benrus M is a manual wind mechanical watch movement that features a sweep seconds function and a calendar with the date set by changing the 21-24h position. It is a movement commonly found in watches from around the 1970s. The specific differences between the 72-9 and 725-9 versions of this movement are not known.
The Benrus M features the following functions:
- Calendar
- Date: set by changing 21-24h
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.120 x 340 x 10.5 mm | GR2974 | Manual | Buy mainspring |
| 1.20 x 0.120 x 320 x 10.5 mm | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| DATE DIAL (3) NOT REG | X/5153 | 2557/1/FF 66-9 | Buy part |
| DATE END GUARD | X/5150 | 2535/FF 66-9 | Buy part |
| DATE IND. UNLOCKING YOKE | X/5072 | 2632/1/FF 66-9 | Buy part |
| DATE JUMPER | X/5155 | 2576/FF 66-9 | Buy part |
| DATE JUMPER SPRING | X/5154 | 2575/FF 66-9 | Buy part |
| DATE JUMPER SPRING LID | X/5149 | 2529/FF 66-9 | Buy part |
| INTERMEDIATE DATE WHEEL | X/5152 | 2543/FF 66-9 | Buy part |
| MINUTE WHEEL | 260/224 | 260/FF 553-2N | Buy part |
| SCREW, ADD DATE IND GUARD | X/5157 | 52536/FF 66-9 | Buy part |
| SCREW, DATE JUMPER SPRING LID | X/5156 | 52529/FF 66-9 | Buy part |
| SCREW, INT DATE WHEEL | X/5158 | 52543/FF 66-9 | Buy part |
| SCREW, UNLOCKING YOKE SPRING | X/5159 | 52633/FF 66-9 | Buy part |
| UNLOCKING YOKE DRIVE WHEEL | X/5071 | 2621/FF 66-9 | Buy part |
| UNLOCKING YOKE SPRING | X/5073 | 2633/FF 66-9 | Buy part |
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