Seiko Cal. 7156 - 595

The Seiko 7156-595 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8665899c7172]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1971

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