Seiko Cal. 6660 - 981

This Spring Drive model from 1990 features a 42mm PVD Black case. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-153a8605fa5c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1990

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