Seiko Prospex Sea 1968 Diver's Re-interpretation GMT Save the Ocean Watch SPB439J1 Nike Weight: 99 g

Weight: 99 g

Construction: Shock Resistant/Carbon Core Guard structure

Crystal: Dual-curved sapphire crystal

The watch has been given a full metal case by using a shock-resistant fine resin cushioning material between the case and the sturdy stainless steel metal bezel

Seiko Prospex Sea 1968 Diver's Re-interpretation GMT Save the Ocean Watch SPB439J1 Nike Weight: 99 gCaliber Number: 6R54 Movement Type: Automatic with manual winding Precision: +25 to 15 seconds per day Power reserve: Approx. 72 hours(3 days) Jewels: 24 24 hour hand (dual time display function) Stop second hand function Case Material: Stainless steel (Bezel: Stainless steel with ceramic display) Case Size Thickness: 12. 9mm Diameter: 42. 0mm Lug to lug: 48. 6mm Crystal: Sapphire crystal Crystal Coating: Anti reflective coating on inner surface