
The ETA 2538 watch movement, designed particularly for the Ocean Star series, shares similar technical details with the Mido 1147OC model. It features an automatic mechanism, sweep seconds function, and a date display that can be adjusted by changing the 20-24 hour hand. The movement was used during the approximate period of 1964.
The ETA 2538 features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.00 x 0.120 x 10.5 mm | Auto | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CLUTCH WHEEL | 407/901 | 407/AS 1896 | Buy part |
| DIAL, DATE WHITE W/BLACK #'S | 2557/1-MID 1137OC | 601/MID 1139OC | 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 |
| SHOCK SPRING, LOWER 223 X 155 | 400/811 | 173.03/INC | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| SHOCK UNIT, LOWER INCABLOC H9 | 400/862 | 103.20.230.09/INCA | Buy part |
| UPPER SHOCK UNIT | Buy part |
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