Seiko Cal. 6649 - 231

This Automatic model from 1975 features a 37mm PVD Black case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-1c9f3e862100]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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