Seiko SPB389 King Seiko Indigo Blue 39mm Automatic 3 Days

Caliber Number: 6R55

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power Reserve: Approx. 72 hours(3 days)

Jewels: 24

Case Material: Stainless steel

Case Size: Thickness:11.7mm

Case Diameter: 38.3mm

Lug-to-lug: 46.0mm

Crystal: Box shaped sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

LumiBrite: LumiBrite on Hands

Clasp: Deployment clasp with push button release

Distance between Lugs: 19

Water Resistance: 10 bar

Weight: 139.0g

Features: Interchangeable band with quick release spring bars, Screw case back

Functions: Stop seconds hand function