Seiko Cal. 4592 - 391

This Solar model from 1972 features a 43mm Titanium case. Powered by the 4592 caliber with 20j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-a76a45206f4f]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1972

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