Seiko Cal. 5631 - 280

This Kinetic model from 1969 features a 37mm PVD Black case. With its 19mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-684521745304]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1969

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