Seiko Cal. 6646 - 142

This Hand-Winding model from 1975 features a 43mm Stainless Steel case. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-2293cc764c8c]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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