Seiko Cal. 6181 - 642

This Solar model from 1967 features a 44mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-df8eb2edbf08]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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