Seiko Cal. 7156 - 386

This Spring Drive model from 1973 features a 45mm Titanium case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ec021dbb81c4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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