Seiko Cal. 6646 - 501

The Seiko 6646-501 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-17c5a5a10b9b]

Also known as: Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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