Seiko Cal. 6366 - 933

The Seiko 6366-933 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-7b4fa3e08ac4]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

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