SEIKO PRESAGE SPB227J1

 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 (super hard coating)
• Crystal Material : Sapphire crystal 
• Crystal Coating : Anti-reflective coating on inner surface
• LumiBrite : Lumibrite on hands and index(es)

Case Dimensions
Thickness : 11.1mm
Diameter : 39.3mm
Lug-to-lug : 47.2mm

Band
• Distance between lugs : 20mm
• Clasp : Three-fold clasp with push button release
• Bracelet Length : 205.0mm

Other Details
• Water Resistance : 100m
• Weight : 155.0g
• Screw case back
• See-through case back