Baume & Mercier caliber BM13-1975 COSC
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| Brand: | Baume & Mercier |
|---|---|
| Reference: | BM13-1975 COSC |
| Base: | Baume & Mercier BM12-1975M |
| Movement: | Automatic |
| Display: | Analog |
| Diameter: | 28.20 |
| Jewels: | 21 |
| Reserve: | 120 |
| Frequency: | 28800 |
| Date: | Date |
| Hands: | Hours, Minutes, Seconds |
| Additionals: | Chronometer |
BM13-1975 COSC description
Caliber BM13-1975A 'Baumatic' is a self-winding movement based on the BM12 movement. Most notable difference is the missing TwinSpir balance spring -made of two layers of silicon due- to patent issues. The present version is COSC-certified; the movement also comes in a non-certified version.
All watches using the Baume & Mercier BM13-1975 COSC movement:
10518
Baume & Mercier Clifton Baumatic Stainless Steel / White / Strap / COSC
10505
Baume & Mercier Clifton Baumatic Stainless Steel / White / Bracelet / COSC
10519
Baume & Mercier Clifton Baumatic Stainless Steel / Red Gold / White / Strap / COSC
10469
Baume & Mercier Clifton Baumatic Red Gold / White / Strap / COSC
10468
Baume & Mercier Clifton Baumatic Stainless Steel / Blue / Bracelet / COSC
10467
Baume & Mercier Clifton Baumatic Stainless Steel / Blue / Strap / COSC