Seiko Cal. 6646 - 701

The Seiko 6646-701 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-20460ebc340b]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1967

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