Seiko Cal. 6181 - 494

This Solar model from 1972 features a 40mm Titanium case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-313b30349e82]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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