Seiko Cal. 5670 - 637

The 5670-637 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-f2bea332fd80]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1991

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