Seiko Cal. 4591 - 553

This Spring Drive model from 1994 features a 36mm Titanium case. Powered by the 4591 caliber with 28j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-0c1549e08b4b]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1994

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