- Model: Omega Seamaster
- Conditions: Very good (please see pictures for details)
- Functions: ALL running well. Recently cleaned and oiled.
- Movement: Mechanical (Automatic) Swiss-Made
- Base Caliber: 560
- Caliber: 562
- Jewels: 24
- Power Reserve: 50 hours
- Frequency: 19,800 A/h
- Signed Omega: Dial, Case, Crown, Crystal, and Movement
- Material: 18k Yellow Gold Case
- Reference #: BA 166.003
- Serial: 20,343,598
- Year: 1963
- Dial: Silver (Original, Never refinished)
- Hour Markers: Gold
- Hands: Alpha; Gold
- Bezel: Smooth; 18k Yellow Gold
- Crystal: Omega signed; Plexiglass
- Diameter: 34.5 mm without crown
- Lug Width: 18 mm
- Bracelet: Unworn genuine black leather; Aftermarket
- Clasp: Gold-plated; Aftermarket
- Other: Hippocamus logo, Date
- No Box
- No Papers
Note: Very rare 166.003 in solid 18k yellow gold. Difficult to find and truly collectible. The Date function is set by moving the hands from 21-2 and repeat.