Omega Seamaster Aqua Terra 150M 41.5mm ，Stainless Steel Case with Stainless Steel Bracelet

OMEGA Seamaster Aqua Terra 150M Co-Axial Master Chronometer - Technical Specifications  

Reference Number: 231.10.42.21.01.002  
Gender: Men's  

Case Dimensions
▸ Case Diameter: 41.5mm  
▸ Lug Width: 20mm  
▸ Lug-to-Lug: 48.5mm  
▸ Thickness: 13.0mm  

Materials & Construction
▸ Case Material: 316L Stainless Steel  
▸ Crystal: Domed scratch-resistant sapphire with double anti-reflective treatment  
▸ Dial Color: Onyx Black  

Performance
▸ Water Resistance: 15 bar (150m/500ft)  
▸ Magnetic Resistance: 15,000 gauss  

Movement
▸ Caliber: Omega Co-Axial 8508  
▸ Movement Type: Automatic  
▸ Power Reserve: 60 hours  
▸ Certification: Master Chronometer (METAS approved)  

Bracelet & Clasp**  
▸ Bracelet Material: Triple-row stainless steel  
▸ Clasp Type: Double-fold deployant clasp (Butterfly clasp)  

Key Technologies 
✓ Silicon balance spring  
✓ Free-sprung balance  
✓ Bidirectional self-winding