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Master Time M121
The Master Time M121 is an automatic watch movement that features a sweep seconds function.
The Master Time M121 features the following functions:
- Automatic Winding
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.105 x 280 x 9.0 mm | GR3966 | 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 |
|---|---|---|---|
| BALANCE COMPLETE, INCABLOC | 721/645 | 722/AS 1361 | Buy part |
| MAINSPRING, AUTO 1.45 X .10 | MSN-79 | Buy part | |
| PALLET ARBOR | 72S/86P | 714/AS 1300 | Buy part |
| ROLLER, INCABLOC 180X80X36 | 82S/148R | 730/AUR 18 | Buy part |
| SHOCK SPRING U/L FLECTOR 210A | 400/228 | 2-3/KIF | Buy part |
| STAFF, INCA HSP .60 # | 100/737E | Buy part | |
| STEM, FEMALE OA 10.30 | 360/16S | 360/AS 1361 | Buy part |
| STEM, HUB 1.35 TAP 10 | 200/65F | Buy part |
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