Seiko Cal. 5660 - 723

This Solar model from 1990 features a 38mm PVD Black case. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-e34c7b3d595a]

Also known as: UFO, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1990

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