Seiko Cal. 6646 - 817

This Spring Drive model from 1982 features a 44mm Titanium case. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-515894e120e0]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1982

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