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Watch Database
Gruen V4
MECH PW MVMT
Lift Angle: 44°
Balance Staff Listing
| Ronda Reference # | Shock System |
| 2457 | Ordinary/None |
| 3385 | Ordinary/None |
| 2460 | Ordinary/None |
Mainspring Listing
| Dimensions | GR Reference # | End Type |
| 1.40 x 0.180 x 480 x 15.0 mm | GR3847 | Manual |
| 1.40 x 0.180 x 460 x 14.5 mm | GR3846 | Manual |
Parts Listing
| Part Description | Reference # | Alternate | Discontinued |
| MAINSPRING 1.40-.18-480 15 | MS-55R | GR 3857 | |
| STAFF, ROLLER .57 | 100/541 | ||
| STAFF, ROLLER .70 | 100/420 | ||
| STEM | 200/425F | ||
| WHEEL, ESCAPE | 702/GRU V4 |
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