Seiko Cal. 5639 - 600

This Solar model from 1965 features a 45mm PVD Black case. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-7a6d89130fc8]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1965

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