Seiko Automatic 5 Sports Field Series Men's Watch HDB007 Seiko Men's Battery The BLX-565S adds an extra

The BLX-565S adds an extra touch to the band with marble patterning in mixed-color molding to create the effect of rippling water

The GA-2100CMD elevates the look even further

Also use the app to check life logs and activity history from your watch

VO2 max calculation and other data analysis capabilities use a library by FIRSTBEAT

the BGA-320 shines and sparkles

Seiko Automatic 5 Sports Field Series Men's Watch HDB007 Seiko Men's Battery The BLX-565S adds an extraNew Men's 5 Sports Field series Specifications Movement Caliber Number 4R36 Movement Type Automatic with manual winding Power reserve Approx. 41 hours Jewels 24 Functions Stop second hand function Day Date display Case Band Case Material Stainless steel Case Size Thickness: 13. 2mm Diameter: 41. 0mm Lug to lug: 48. 5mm Crystal Curved Hardlex LumiBrite on hands, index(es) and bezel Three fold clasp with push button release Distance between lugs 20