SEIKO PRESAGE SSA397J1

 Movement
• Caliber Number : 4R57
• Power reserve :  Approx. 41 hours
• Movement type : Automatic with manual winding
• Jewels : 29
• Stop second hand function
• Date hand

• Power reserve indicator

• Stop second hand function

Case
• Case Material : Stainless steel (super hard coating)
• Crystal Material : Dual-curved sapphire crystal 

Case Dimensions
Thickness : 14.1mm
Diameter : 42.0mm
Lug-to-lug : 49.2mm

Band
• Distance between lugs : 20mm
• Clasp : Deployment clasp with push button release
• Bracelet Length : 20.0mm

Other Details
• Water Resistance : Splash Resistant
• Weight : 143.0g
• Screw case back
• See-through case back