Features:
Case: hard-coated stainless steel
Bracelet: hard-coated stainless steel
Dial: black 
Crystal: sapphire crystal
Bezel: fixed
Movement: quartz
Crown: push/pull
Clasp: three-fold with push-button release
Chronograph
Tachymeter timer
Screw case back
LumiBrite hands and markers
Case diameter: 43 mm (1.69 in.) 
Case thickness: 12 mm (0.47in.)
Water resistant: 100 m (330 ft.)
 
Model: SSB415P1
 
Specifications
Bezel Fixed
Brand Seiko
Case Material Stainless Steel
Display Type Analog
Gender Men's
Model SSB415P1
Movement Type Quartz
Watch Strap Material Stainless Steel
Water Resistance Depth 100 m