Seiko Cal. 7155 - 561

This Hand-Winding model from 1978 features a 39mm Titanium case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ed1eef90b2d7]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1978

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