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The Omega 630 is a manual-wind chronograph movement with various functions. These include a 60-second, 30-minute, and 12-hour chronograph, as well as a sub-second display. The movement features a pillar wheel mechanism and is equipped with a gear for a 24-hour hand. It was utilized from 1974 onwards.
The Omega 630 features the following functions:
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.140 x 380 x 12.0 mm | GR3358 | Manual | Buy mainspring |
| 1.30 x 0.140 x 360 x 12.0 mm | Manual | Buy mainspring | |
| 1.30 x 0.140 x 360 x 11.5 mm | GR33572 | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
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