Seiko Cal. 7156 - 427

This Solar model from 1974 features a 42mm Titanium case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-afda4501ccde]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1974

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