Seamaster Aqua Terra Chronometer

Steel on steel
Reference: 231.10.42.21.06.001
 
MOVEMENT
Caliber: Omega 8500
Self-winding movement with Co-Axial Escapement for greater precision stability and durability. Free sprung-balance, 2 barrels mounted in series, automatic winding in both directions to reduce winding time. Visible bridges and the oscillating mass are decorated with exclusive Geneva waves in arabesque.
Power Reserve: 60 hours
 
CRYSTAL
Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
 
CASE & DIAL
Stainless steel case
Teck-grey dial
 
WATER RESISTANCE
Down to: 150 meters
500 feet
 
size
Gents
Case Diameter: 41.5 mm
 
Features
Date
Chronometer
Transparent case back