Seiko Cal. 5660 - 681

The Seiko 5660-681 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-212233b5c1f9]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1989

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