Seiko Cal. 4594 - 651

The Seiko 4594-651 represents an important milestone in Seiko's 1972 lineup. Powered by the 4594 caliber with 29j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-1b21205d1f01]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1972

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