[MEN] Seiko Prospex Alpinist [SPB505J1]

Movement

• Calibre Number: 6R55

• Movement Type: Automatic with manual winding

• Precision: +25 to -15 seconds per day

• Power Reserve: Approx. 72 hours (3 days)

• Jewels: 24

• Functions: Stop second-hand function

Case / Band

• Case Material: Stainless steel (super hard coating)

• Case Diameter: 39.5mm

• Case Thickness: 12.7mm

• Lug-to-Lug: 46.4mm

• Crystal: Sapphire crystal with magnifier

• Crystal Coating: Anti-reflective coating on inner surface

• LumiBrite: On hands and indexes

• Clasp: Three-fold clasp with push-button release

• Distance Between Lugs: 20mm

Other Details

• Water Resistance: 20 bar

• Magnetic Resistance: 4,800 A/m

• Weight: 147g

Features

• Rotating compass bezel

• Screw-down crown

• See-through & screw case back