SEIKO PRESAGE AUTOMATIC CLASSIC SERIES CRAFTMANSHIP ENAMEL 'TONNEAU' SPB537 SPB537J1

Movement
Caliber Number : 6R5H
Movement Type : Automatic with manual winding
Precision : +25 to -15 seconds per day
Power reserve : Approx. 72 hours(3 days)
Jewels : 24
Functions : 
- 24-hour hand
- Stop second hand function

Case/Band
Case Material : Stainless steel (super hard coating)
Case Size : 
Thickness : 12.5mm
Diameter : 35.9mm
Lug-to-lug : 46.0mm
Crystal : Dual-curved sapphire crystal
Crystal Coating : Anti-reflective coating on inner surface
Clasp : Three-fold clasp with push button release
Distance between lugs : 20mm

Other Details
Water Resistance : 5 bar
Magnetic Resistance : 4,800 A/m
Weight : 141.0g
Features : 
- Enamel dial
- See-through case back
* This enamel watch dial is manufactured by firing it at a high temperature. The process of melting enamel may create small dimples, tiny dots, and a rough surface. These attributes are unique features of genuine enamel watch dials, of which no two are exactly alike.