Seiko Cal. 6638 - 118

This Solar model from 1973 features a 35mm Gold-Plated case. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-c448db2f9e24]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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