Seiko Cal. 6371 - 631

This Kinetic model from 1998 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-608d8df291c1]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1998

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