SEIKO PROSPEX SRPL15K1

 Movement
• Caliber Number : 4R35
• Precision : ±15 seconds per month
• Power reserve :  Approx. 41 hours
• Movement type : Automatic with manual winding
• Stop second hand function
• Date display

Case
• Case Material : Stainless steel (hard coating)
• Crystal Material : Hardlex
• Crystal Coating : -
• LumiBrite : LumiBrite on hands, index(es) and bezel

Case Dimensions
Thickness:12.3mm
Diameter:41.7mm
Lug-to-lug:49.5mm

Band
• Clasp : Three-fold clasp with secure lock

• Distance between lugs : 20mm

Other Details
• Water Resistance : 200m / 660ft diver's
• Weight : 100.0g
• Unidirectional rotating bezel Screw-down crown Screw case back