Seiko Cal. 7181 - 359

This Quartz model from 1977 features a 42mm Titanium case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4638fe103f8a]

Also known as: Bullhead, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

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