Seiko Prospex Land [SPB121J]

Movement
Caliber Number
6R35
Movement Type
Automatic with manual winding
Precision
+25 to -15 seconds per day
Power reserve
Approx. 70 hours
Jewels
24
Functions
Stop seconds hand function
Date display
Case/Band
Case Material
Stainless steel
Case Size
Thickness:13.2mm
Diameter:39.5mm
Lug-to-lug:46.4mm
Crystal
Sapphire crystal with magnifier
Crystal Coating
Anti-reflective coating on inner surface
LumiBrite
Lumibrite on hands and index(es)
Band Material
Calfskin
Clasp
Three-fold clasp with push button release
Distance between lugs
20
Other Details
Water Resistance
20 bar
Weight
87.0
Features
Rotating compass inner ring
Screw-down crown
See-through & Screw case back