Seiko Prospex Alpinist 39.5 MM Automatic GMT Black Dial Watch SPB379J1 StockX_Listing_Error which beats 10 times per

which beats 10 times per second and grants more stable precision through resistance to interference and maintaining consistent accuracy

This bright

the Grand Seiko Style

LED (the built-in illuminating light) function

chronograph seconds hands and hour markers sport superluminova for a perfect glow in the dark

Seiko Prospex Alpinist 39.5 MM Automatic GMT Black Dial Watch SPB379J1 StockX_Listing_Error which beats 10 times perCaliber 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 seconds hand function Case Material: Stainless steel (super hard coating) Case Size Thickness: 13. 6mm Diameter: 39. 5mm Lug to lug: 46. 4mm Crystal: Curved sapphire crystal Crystal Coating: Anti reflective coating on inner surface LumiBrite: LumiBrite