Seiko Cal. 4598 - 833

This Hand-Winding model from 1979 features a 45mm Titanium case. Powered by the 4598 caliber with 20j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-5f9ea411464a]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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