Seiko Cal. 5639 - 541

The 5639-541 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-0ce195fdd105]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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