Seiko Cal. 6632 - 486

This Spring Drive model from 1975 features a 46mm Titanium case. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-c33b2dbb67d8]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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