Seiko Cal. 5673 - 639

The 5673-639 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-39aa07ade80b]

Also known as: Turtle, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1976

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