Seiko Cal. 6363 - 251

This Automatic model from 1977 features a 37mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-42d995e88dc1]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1977

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