Model: SPB377

From the Prospex Collection

The new Caliber 6R54, which has a power reserve of three full days, powers the new Seiko Prospex Alpinist Mechanical GMT.

Manual and automatic winding capabilities

Power reserve: approximately 72 hours

24 jewels

The 24-hour display on the bezel and the 24-hour hand with red tip guarantee the legibility of the GMT function.

Blue dial

Curved sapphire crystal

Case diameter: 39.5 mm

Case thickness: 13.6 mm

Lug-to-lug: 46.4

Stainless steel case

Blue leather strap

Tri-fold push button release clasp

Water-resistant to 20 bar, 200 meters (660 feet)

Caliber 6R35

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