Seiko Cal. 4454 - 640

This Hand-Winding model from 1969 features a 43mm Titanium case. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-b6c074438e54]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1969

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