Seiko Cal. 6636 - 189

The Seiko 6636-189 represents an important milestone in Seiko's 1986 lineup. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-dd6530e3f01f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1986

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