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Otero 900
Ligne: 11.5'''
Jewels: 21/25
Power Reserve: 38 hrs
Frequency: 21600 vph
Type: Automatic
Period used: ~1972
Diameter: 26 mm
Height: 5.9 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Otero 900 watch movement is a rare model, typically associated with the 7526/1 due to its limited production quantities. It features an automatic mechanism, providing convenient self-winding functionality. The movement also includes a sweep second hand for precise timekeeping. Additionally, it offers a quickset date function for easy adjustment, along with a manual quickset for the month calendar. The month calendar allows users to manually set the days of the week in a month-overview format. This specific movement was commonly used around 1972.
The Otero 900 features the following functions:
- Automatic Winding
- Date: quickset
- Month calendar: manual quickset for days of the week in a month-overview
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 340 x 10.0 mm | GR3256X | Auto | Buy mainspring |
| 1.30 x 0.100 x 360 x 9.5 mm | GR3257X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More | |||
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BARREL ARBOR | 195/1290 | Buy part | |
| BARREL COMPLETE W/MAINSPRING | 182/1233 | 182/1233 | Buy part |
| CANNON PINION, SS HT 2.55 | 245/1088 | /DUR 7420-3 | Buy part |
| FOURTH WHEEL, SS HT 6.04 | 227/674 | Buy part | |
| HOUR WHEEL, SS .86 | 255/822 | Buy part | |
| MAINSPRING 1.30-.10-340 10 | MSS-WA8 | GR 3256-X | Buy part |
| STEM, .5 PILOT T10 | 200/1721F | 1ST EXEC/DUR 7410 | Buy part |
| STEM, .64 PILOT TAP 10 | 200/1765F | 401/DUR 7410 | Buy part |
| THIRD WHEEL, LONG PIVOT | 214/1344 | /DUR 7520 | Buy part |
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