Seiko Cal. 6646 - 788

The Seiko 6646-788 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-ac1e9a998ac6]

Also known as: Samurai, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1966

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