Seiko Cal. 6646 - 468

The Seiko 6646-468 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ced8a6c91910]

Also known as: Bellmatic, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1967

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