Seiko Cal. 6635 - 964

The Seiko 6635-964 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-0aad6fea6229]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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