Seiko Cal. 5639 - 630

The Seiko 5639-630 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c8fd6e1a8af9]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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