Seiko Cal. 5660 - 776

This Quartz model from 1979 features a 39mm PVD Black case. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-6a3469b2d148]

Also known as: Bullhead, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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