Seiko Cal. 3866 - 735

This Hand-Winding model from 1971 features a 42mm PVD Black case. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-6b317cef436c]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1971

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