Seiko Cal. 0740 - 595

This Spring Drive model from 1968 features a 41mm PVD Black case. It features a Cream dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-1d7db5a71a14]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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