Seiko

Technical specifications

Movement

• Calibre: 4R36
• Movement type: Automatic, can also be wound by hand
• Power reserve: Approx. 41 hours
• Jewels: 24
• Functions:
  • Hacking seconds hand (stops when the time is set)
  • Day and date

Case and bracelet

• Case material: Stainless steel
• Case size:
  • Thickness: 13.4mm
  • Diameter: 42.5mm
  • Lug-to-lug: 46.0mm
• Glass: Hardlex
• LumiBrite: Lumibrite on hands and hour markers
• Clasp: Folding clasp with safety lock and push button
• Lug width: 22

Other details

• Water resistant: 10 bar
• Magnetic resistance: 4,800 A/m
• Weight: 170.0
• Features:
  • Unidirectional rotating bezel
  • Transparent screw-down case back