Seiko Cal. 5640 - 536

This Automatic model from 1981 features a 34mm PVD Black case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ff0aafa0e6ff]

Also known as: Rally, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1981

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