Seiko Cal. 5639 - 125

The Seiko 5639-125 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1af7954ff76d]

Also known as: Tuna, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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