Seiko Cal. 4451 - 641

This Quartz model from 1969 features a 35mm Titanium case. Powered by the 4451 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-e0c90e1acfd3]

Also known as: Bullhead, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1969

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