Additional information
| Brand: | Omega |
|---|---|
| Family: | Speedmaster Automatic / Quartz |
| Reference: | ST 176.0012 |
| Name: | Speedmaster Mark 4.5 |
| Produced: | 1975 - 1986 |
| Limited: | No |
Case
| Material: | Stainless Steel |
|---|---|
| Glass: | Mineral |
| Back: | Closed |
| Shape: | Cushion |
| Diameter: | 41.00 mm |
| W/R: | 60.00 m |
Dial
| Color: | Black |
|---|---|
| Indexes: | Stick / Dot |
| Hands: | Stick |
Description
Ref. ST 176.0012 was launched in 1975. This Speedmaster is nicknamed 'Mark 4.5' as it pairs the case of the Mark IV with the movement of the Mark V.
Movement
Omega version of Lemania 5100.
| Type: | Automatic |
|---|---|
| Brand: | Omega |
| Caliber: | 1045 |
| Base: | Lemania5100 |
| Display: | Analog |
| Diameter: | 31.00 mm |
| Jewels: | 17 |
| Reserve: | 48 h |
| Frequency: | 28800 bph |
| Time: | Small Seconds, Hours, Minutes, Additional 24 Hour Hand (fixed) |
| Date: | Date, Day |
| Chronograph: | Chronograph |
More watches using the Omega 1045 caliber

