Seiko Cal. 4453 - 571

This Hand-Winding model from 1990 features a 40mm Titanium case. Powered by the 4453 caliber with 28j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-796d08e72b87]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1990

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