Seiko Cal. 6371 - 680

The Seiko 6371-680 represents an important milestone in Seiko's 1999 lineup. Powered by the 6371 caliber with 36j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-c030b10373e2]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1999

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