Seiko Cal. 4599 - 976

The Seiko 4599-976 represents an important milestone in Seiko's 1978 lineup. Powered by the 4599 caliber with 28j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-5abdb94c28a5]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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