Seiko Cal. 6371 - 646

The Seiko 6371-646 represents an important milestone in Seiko's 1980 lineup. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-cac2a4b8265f]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1980

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