Seiko Cal. 5661 - 681

This Solar model from 1967 features a 44mm Titanium case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-fe1ac3169314]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1967

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