Seiko Cal. 4539 - 303

This Solar model from 1967 features a 44mm Titanium case. Powered by the 4539 caliber with 27j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-71cc51ce6f07]

Also known as: Monster, Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1967

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