Seiko Cal. 6617 - 637

This Hand-Winding model from 1983 features a 37mm PVD Black case. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-e4f8764c3262]

Also known as: Pogue, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1983

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