Seiko-Prospex Sea SPB381 Diamond Dial Designed to bring new energy

Designed to bring new energy to our classics - and to our everyday lives

The timepiece comes with a unidirectional bicolor ceramic bezel

Additional black silicone strap

dynamic and whirring

coated with blue lacquer

Seiko-Prospex Sea SPB381 Diamond Dial Designed to bring new energyCaliber Number 6R54 Movement Type Automatic with manual winding Precision +25 to 15 seconds per day Power reserve Approx. 72 hours(3 days) Jewels 24 Functions 24 hour hand Stop second hand function Case Band Case Material Stainless steel (super hard coating) Case Size Thickness: 12. 9mm Diameter: 42. 0mm Lug to lug: 48. 6mm Crystal Sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and