Seiko - SRPK89K1

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: 12.5 mm
  • Diameter: 37.4mm
  • Lug-to-lug: 44.7 mm
• Glass: Curved Hardlex
• LumiBrite: Lumibrite on hands and hour markers
• Clasp: Folding clasp with push button
• Lug width: 18mm

Other details

• Water resistant: 10 bar
• Magnetic resistance: 4.800 A/m
• Weight: 125.0g
• Features:
  • Transparent screw-down case back