Seiko Cal. 6366 - 935

The Seiko 6366-935 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-1bbc0c0511c2]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

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