Seiko Cal. 6660 - 901

The Seiko 6660-901 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-571401d72abe]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

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