Seiko Cal. 5664 - 162

This Solar model from 1970 features a 40mm Titanium case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-3d500ce2a718]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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