SEIKO-SJE117 Prospex 1965 Heritage Diver's Watch Defy Extreme features a date calendar and

features a date calendar and large LumiBrite markers and hands for enhanced legibility

As part of Seiko's "Save the Ocean" campaign

the beautifully finished dial features a 24-hour subdial at 6 o’clock and employs a subtle pattern on the center section for a three-dimensional effect enhanced by the curved hands and indices providing a soft

The center of the dial is created using a special stamp that reproduces this glacier texture and celebrates the "blue hour" - "l'heure bleue"

Mineral Glass

SEIKO-SJE117 Prospex 1965 Heritage Diver's Watch Defy Extreme features a date calendar andCaliber Number 6L37 Movement Type Automatic with manual winding Precision +15 to 10 seconds per day Power reserve Approx. 45 hours Jewels 26 Functions 28,800 vibrations per hour (9 beats per second) Stop second hand function Case Band Case Material Stainless steel Case Size Thickness: 12. 3mm Diameter: 39. 5mm Lug to lug: 47. 2mm Crystal Box shaped sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite LumiBrite on hands,