Seiko Cal. 6328 - 636

The Seiko 6328-636 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-1f5a0bd1a88e]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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