Seiko Cal. 6646 - 255

This Spring Drive model from 1975 features a 37mm Titanium case. With its 20mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-5c24dc3d7ae7]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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