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Tissot 27B-621
Ligne: 7.75'''
Jewels: 17
Power Reserve: 43 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 17.5 mm
Height: 2.85 mm
Hands: 1.20 x 0.60 mm
Base: Felsa 4020
The Tissot 27B-621 is a manual wind watch movement that was available with an optional sub second function. It was predominantly used during the period around 1960.
The Tissot 27B-621 features the following functions:
- Manual Winding
- Option: sub second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.25 x 0.080 x 220 x 7.0 mm | GR3081 | Manual | Buy mainspring |
| 1.25 x 0.070 x 210 x 6.5 mm | Manual | Buy mainspring | |
| 1.20 x 0.075 x 220 x 6.5 mm | GR2861 | 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 |
|---|---|---|---|
| GIB/BOLT INCA SHOCK .15 THICK | 400/774 | 180.15/INCA #12 | Buy part |
| JEWEL, INCA BALANCE 135X50X09 | 400/11 | 111.09/INCA#8 | Buy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | Buy part |
| LOWER COMBINED SETTIN | 400/1894 | 3930/FF 69-21 | Buy part |
| MAINSPRING 1.25-.08-220 7 | MS-3513C | 3081-GR | Buy part |
| PALLET ARBOR | 72S/7P | 714/ETA 2360 | Buy part |
| ROLLER 155X70X33 | 82S/8R | Buy part | |
| ROLLER, INCABLOC 155X70X33 | 82S/159R | Buy part | |
| SCREW, INCA SHOCK 18X60 | 400/3 | 160.11/INCA #15 | Buy part |
| SHOCK SETTING COMPLETE, LOWER | 400/1475 | 110.20.9 | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| SHOCK UNIT, UPPER (D255 H9) | 100.21.255.9 | Buy part | |
| STAFF, BALANCE .75 | 100/1855 | Buy part | |
| STEM, TAP 10 | 200/1310F | 401/FEL 4020 | Buy part |
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