Seiko Cal. 7172 - 256

This Automatic model from 1969 features a 45mm Titanium case. Powered by the 7172 caliber with 19j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-830feb7c4310]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1969

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