Seiko Cal. 6636 - 197

The Seiko 6636-197 represents an important milestone in Seiko's 1995 lineup. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-c629019ade81]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1995

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