Seiko Prospex SPB105 collection_superocean-heritage Quartz model with a smaller

Quartz model with a smaller case that sits naturally on your wrist

Titanium external and inner case with Ever-Brilliant Steel bezel

aiming to develop the skills

The transparent tachymeter scale on the sapphire crystal is illuminated from beneath by a fluorescent orange ring filled with Super-LumiNova

and great chronograph performance

Seiko Prospex SPB105 collection_superocean-heritage Quartz model with a smallerMovement Caliber Number 6R15 Movement Type Automatic with manual winding capacity Accuracy +25 to 15 seconds per day Duration Approx. 50 hours Exterior Case Material Stainless steel (super hard coating) with stainless steel bezel Crystal Sapphire Crystal Coating Anti reflective coating on inner surface LumiBrite Lumibrite on hands and indexs Clasp Three fold clasp with secure lock , push button release with extender Other Details Water Resistance 200m