Omega · Omega Speedmaster Moonwatch
Speedmaster Professional Moonwatch
Ref. 3590.50.00
The ref. 3590.50.00 is the predecessor of the better-known 3570.50.00. It is powered by caliber 861. This reference is also known as ST 345.0022 (bracelet) or ST 145.0022 (strap). 17-jeweled 861 until 1992, later models feature the 18-jewel version.
- Release year
- 1989
- Case diameter
- 42 mm
- Lug width
- 20 mm
- Water resistance
- 50 m
- Case material
- Stainless Steel
- Crystal
- Plexi
- Dial
- Black
- Movement
- Omega caliber 861
- Movement type
- Handwound
- Display
- Analog
- Power reserve
- 48 h
- Jewels
- 18
- Movement diameter
- 27 mm
- Complications
- Chronograph, Hours, Minutes, Small Seconds
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