Seiko Cal. 4481 - 512

This Hand-Winding model from 1993 features a 40mm Titanium case. Powered by the 4481 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-16f78629893c]

Also known as: Bullhead, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1993

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