Seiko Cal. 6339 - 445

This Automatic model from 1977 features a 36mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-3f4c4edfd8a1]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1977

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