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Citizen 4-S18531
The Citizen 4-S18531 watch movement, also known as calibre 4130, is a self-winding mechanical chronograph movement developed and manufactured by Rolex. It is designed with a simplified architecture, reducing the number of components and increasing reliability. The 4130 movement is certified by the Swiss Official Chronometer Testing Institute (COSC) as a high-precision watch movement. It incorporates a Parachrom hairspring for improved shock and temperature resistance.
The Citizen 4-S18531 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.112 x 565 x 11.8 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| MAINSPRING 1.45-.112-565 AUTO | MSN-98 | GR 3992-X | Buy part |
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