The Seiko Prospex Alpinist Mechanical GMT is driven by the Caliber 6R54 automatic movement featuring a three-day power reserve.

It features high legibility with a 24-hour bezel display and a distinct red-tipped GMT hand for tracking dual time zones.

Housed in a durable super-hard-coated stainless steel case with curved sapphire crystal, it includes a rotating compass inner ring and 200-meter water resistance.

Key Features

Brand	Seiko
Collection	Prospex
Model Number	HBC007J1
Department	Men's
Caliber Number	6R54
Movement Type	Automatic with manual winding
Power Reserve	Approx. 72 hours (3 days)
Precision	+25 to -15 seconds per day
Jewels	24
Functions	24-hour hand (dual time display function), Stop second hand function
Case Material	Stainless steel (super hard coating)
Case Diameter	39.5 mm
Case Thickness	13.6 mm
Lug-to-Lug	46.4 mm
Distance Between Lugs	20 mm
Crystal	Curved sapphire crystal
Crystal Coating	Anti-reflective coating on inner surface
LumiBrite	Lumibrite on hands and indexes
Band Material	Cow leather
Clasp	Three-fold clasp with push button release
Water Resistance	20 bar
Magnetic Resistance	4,800 A/m
Features	Rotating compass inner ring, Screw-down crown, See-through and screw case back

Frequently asked questions

What movement powers this watch?

It is powered by the Seiko Caliber 6R54 automatic movement with manual winding capability.

What is the power reserve of this model?

The movement provides a power reserve of approximately 72 hours (3 days).

What type of crystal protects the dial?

It features a curved sapphire crystal with an anti-reflective coating on the inner surface.

What is the water resistance rating?

This watch has a water resistance rating of 20 bar.

What material is used for the strap?

The strap is crafted from cow leather and fastens with a three-fold clasp with push button release.

Does this watch have dual time functionality?

Yes, it features a 24-hour GMT hand and a 24-hour bezel display for tracking a second time zone.

Seiko Prospex Alpinist Men's Mechanical Land GMT Automatic Watch