Seiko Cal. 4593 - 978

The Seiko 4593-978 represents an important milestone in Seiko's 1967 lineup. Powered by the 4593 caliber with 29j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-396d1d6b0e9b]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1967

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