Seiko Cal. 5639 - 802

The Seiko 5639-802 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b8ddcf1c02f4]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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