SEIKO PROSPEX SPB210J1

 Movement
• Caliber Number : 6R35
• Precision : +25 to -15 seconds per day
• Power reserve :  Approx. 70 hours
• Movement type : Automatic with manual winding
• Jewels : 24
• Stop second hand function
• Date display

Case
• Case Material : Stainless steel
• Crystal Material : Sapphire crystal magnifier
• Crystal Coating : Anti-reflective coating on inner surface
• LumiBrite : Lumibrite on hands, index(es)

Case Dimensions
Thickness : 13.2mm
Diameter : 39.5mm
Lug-to-lug : 46.4mm

Band
• Clasp : Three-fold clasp with push button release
• Distance between lugs : 20mm
• Band Material : Calfskin

Other Details
• Water Resistance : 200m
• Weight : 85.0g
• Rotating compass inner ring
• Screw-down crown
• See-through & Screw case back