Seiko Cal. 6650 - 107

This Spring Drive model from 1980 features a 36mm Two-Tone case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-181a4913a52c]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1980

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