Seiko Cal. 6686 - 642

This Solar model from 1972 features a 42mm Titanium case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-da259b36f898]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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