Seiko Cal. 5639 - 355

The 5639-355 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c6d2ee8b1b07]

Also known as: Emperor, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1974

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