Seiko Cal. 7156 - 551

The Seiko 7156-551 represents an important milestone in Seiko's 1976 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-fa169d56289e]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1976

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