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IWC 4121
21,600 BPH 17JL INCA
Ligne: 5 x 6'''
Jewels: 17
Power Reserve: 40 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: ~1965
Size: 11.7 x 14 mm
Height: 3.25 mm
Hands: 0.80 x 0.45 mm
Base: Zenith 1110
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 3.00 x 0.155 x 680 x 16.5 mm | GR7157MB | MB | BuyBuy mainspring |
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| GIB/BOLT INCA SHOCK .15 THICK | 400/774 | 180.15/INCA #12 | BuyBuy part |
| JEWEL, INCA BALANCE 135X50X09 | 400/11 | 111.09/INCA#8 | BuyBuy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | BuyBuy part |
| LOWER COMBINED SETTIN | 400/1894 | 3930/FF 69-21 | BuyBuy part |
| MAINSPRING 1.25-.08-220 7 | MS-3513C | 3081-GR | BuyBuy part |
| PALLET ARBOR | 72S/7P | 714/ETA 2360 | BuyBuy part |
| ROLLER 155X70X33 | 82S/8R | BuyBuy part | |
| ROLLER, INCABLOC 155X70X33 | 82S/159R | BuyBuy part | |
| SCREW, INCA SHOCK 18X60 | 400/3 | 160.11/INCA #15 | BuyBuy part |
| SHOCK SETTING COMPLETE, LOWER | 400/1475 | 110.20.9 | BuyBuy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | BuyBuy part |
| SHOCK UNIT, UPPER (D255 H9) | 100.21.255.9 | BuyBuy part | |
| STAFF, BALANCE .75 | 100/1855 | BuyBuy part | |
| STEM, TAP 10 | 200/1310F | 401/FEL 4020 | BuyBuy part |
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