Seiko SPB417J1

Specifications
Movement
Calibre Number
6R5J

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 seconds hand function

Case/Band
Case Material
Stainless steel (super hard coating)

Case Size
Thickness: 13.5mm
Diameter: 40.2mm
Lug-to-lug: 47.4mm

Crystal
Dual-curved 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
10 bar

Magnetic Resistance
4,800 A/m

Weight
158.0g

Features
See-through & Screw case back