Seiko Cal. 7155 - 593

This Spring Drive model from 1984 features a 37mm PVD Black case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a364a35ffab0]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

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