Seiko Cal. 7156 - 537

The Seiko 7156-537 represents an important milestone in Seiko's 1974 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-7bac242bf9ce]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1974

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