Seiko Mens Presage Sharp Edged Series SPB221J1

Movement
Caliber Number – 6R64
Movement Type – Automatic with manual winding
Precision – +25 to -15 seconds per day
Power reserve – Approx. 45 hours
Jewels – 29
Functions – 24-hour hand (dual time display function)
Date hand
Power reserve indicator
Calendar-linked time difference adjustment function
Stop second hand function

Case/Band
Case Material – Stainless steel (super hard coating)
Case Size – Thickness:13.7mm
Diameter:42.2mm
Lug-to-lug:49.2mm
Crystal – Sapphire crystal
Crystal Coating – Anti-reflective coating on inner surface
LumiBrite – Lumibrite on hands and index(es)
Clasp – Three-fold clasp with push button release
Distance between lugs – 20mm

Other Details
Water Resistance – 100M
Weight – 181.0g
Features – See-through case back
See-through & Screw case back

Product ID/SKU: 177387