Omega Seamaster Aqua Terra 150M Annual Calendar Ref# 231.13.39.21.55.001
Unworn Omega Seamaster AQUA TERRA 150M CO‑AXIAL CHRONOMETER ANNUAL CALENDAR 231.13.39.21.55.001. 38.5 mm, White dial, Steel case, Steel bezel, 8500 calibre, Self Winding Movement, 60 Hours power reserve, Leather strap with Foldover clasp. Water resistant to 150 m.
TECHNICAL DETAILS
Make: Omega
Model: Seamaster
Reference: 231.13.39.21.55.001
Diameter: 38.5 mm
Case material: Steel
Dial color: White
Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Bezel Type: Fixed
Bezel Color: Silver
Bezel Material: Steel
Calibre: 8500
Movement: Self Winding
Power Reserve: 60 Hours
Bracelet Material: Leather strap
Buckle type: Foldover clasp
Functions: Chronometer, Date, Screw‑in crown, Transparent case back, Time zone function, Diamonds
Water resistance: 150 m
