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Minerva 717
Ligne: 18.5'''
Jewels: 15
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1945
Diameter: 41.65 mm
Height: 4.7 mm
Hands: 2.00 x 1.15 / 0.26 mm
Base: Unitas 432
The Minerva 717 watch movement, known as a hunter calibre, is equipped with optional Breguet hairspring and features varying bridge shapes. It likely includes a left-handed ratchet-wheel screw, although it is not confirmed. The differences between the 432, 446, and 473 are not documented, and they are probably just catalog designations for varying bridge shapes. The movement offers stem winding and setting functionality, sub-second display, and was commonly used around 1945.
The Minerva 717 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.00 x 0.200 x 475 x 16.5 mm | Manual | Buy mainspring | |
| 1.90 x 0.210 x 520 x 16.5 mm | GR5676 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BARREL | 182/570 | Buy part | |
| BARREL | 182/356 | 1060 | Buy part |
| INC | 946 | Buy part | |
| JEWEL, INCA BALANCE 180X59X12 | 400/50 | 511.12/INCA #34 | Buy part |
| JEWEL, INCA LOWER CAP 153X23 | 400/47 | 522.11/INCA #33 | Buy part |
| JEWEL, INCA UPPER CAP 153X35 | 400/46 | 521.11/INCA #32 | Buy part |
| PALLET ARBOR | 72S/124P | 714/LAN 39 | Buy part |
| ROLLER | 82S/224R | 730/UT 431 | Buy part |
| SAMSON MSPG. | 10340/MS | Buy part | |
| SCREW, INCA SHOCK 95 LENGTH | 400/44 | 560.41/INCA #36 | Buy part |
| SHOCK UNIT, COMPLETE LOWER H12 | 400/62 | 500.20.12 | Buy part |
| SHOCK UNIT, UPPER | 400/59 | 400/59 | Buy part |
| SPRING, INCA SHOCK 320X200 | 400/45 | 570.02-3/INCA #31 | Buy part |
| STAFF, COL .80 | 100/715 | Buy part | |
| STEM | 200/791F | 401/UT 29 | Buy part |
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