Seiko Cal. 5639 - 788

The Seiko 5639-788 represents an important milestone in Seiko's 1966 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-5e92bcb0cb86]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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