Seiko Cal. 6636 - 170

The Seiko 6636-170 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-9d641f5dcb19]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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