Seiko Cal. 6647 - 344

This Hand-Winding model from 1966 features a 43mm Two-Tone case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-9a322dd1ece8]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1966

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