Seiko Cal. 5639 - 278

The Seiko 5639-278 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-eebee163fd1d]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1967

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