Seiko Cal. 6647 - 739

This Solar model from 1971 features a 39mm PVD Black case. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-ab15d074be49]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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