Seiko Cal. 6351 - 313

This Hand-Winding model from 1980 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9e23084cd33a]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1980

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