Seiko Cal. 6660 - 159

The Seiko 6660-159 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8b044af2f842]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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