Seiko Prospex land Alpinist GMT Black dial SPB379J1

• Caliber 6R54
• The new Caliber 6R54, which has a power reserve of three full days, powers the new Seiko Prospex Alpinist Mechanical GMT.
• High legibility
• The 24-hour display on the bezel and the 24-hour hand with red tip guarantee the legibility of the GMT function.

Specifications

Movement

• Caliber Number 6R54
• 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 (dual time display function)
• Stop second hand function

Case/Band

• Case Material Stainless steel (super hard coating)
• Case Size
• Thickness:13.6mm
• Diameter:39.5mm
• Lug-to-lug:46.4mm

• Crystal Curved sapphire crystal
• Crystal Coating Anti-reflective coating on inner surface
• LumiBrite Lumibrite on hands and index(es)
• Band Material Cow Steer Clasp
• Three-fold clasp with push button release
• Distance between lugs 20mm

Other Details

• Water Resistance 20 bar

Features

• Screw-down crown
• See-through & Screw case back