Seiko Cal. 4594 - 516

This Spring Drive model from 1975 features a 40mm Titanium case. Powered by the 4594 caliber with 23j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e1966b772d41]

Also known as: Turtle, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1975

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