Seiko Cal. 6678 - 633

The Seiko 6678-633 represents an important milestone in Seiko's 1966 lineup. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-855d68123f5d]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1966

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