Seiko Cal. 5660 - 531

This Quartz model from 1987 features a 44mm PVD Black case. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-c45f72928d5f]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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