Seiko Prospex Sea Marinemaster 44.3 MM SS Automatic Black Dial Watch SLA021J1 Preorder anti-reflective sapphire crystal guarantees enhanced

anti-reflective sapphire crystal guarantees enhanced robustness

800 vibrations per hour (8 beats per second)

Case and bezel material: Bio-based resin

The workshop

These meticulously beautiful

Seiko Prospex Sea Marinemaster 44.3 MM SS Automatic Black Dial Watch SLA021J1 Preorder anti-reflective sapphire crystal guarantees enhancedMovement Caliber Number: 8L35 Movement Type: Automatic with manual winding Precision: +15 to 10 seconds per day Power reserve: Approx. 50 hours Jewels: 26 Functions 28,800 vibrations per hour (8 beats per second) Stop second hand function Date display Case Band Case Material: Stainless steel (super hard coating) with stainless steel bezel Case Size: Thickness: 15. 4mm Diameter: 44. 3mm Lug to lug: 50. 5mm Crystal: Sapphire crystal Crystal Coating: