Seiko Cal. 6640 - 461

The 6640-461 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-7de089afc79e]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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