Seiko Cal. 6646 - 771

The Seiko 6646-771 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-6405756a7eac]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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