Seiko Cal. 6644 - 766

The 6644-766 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e5270b4e4922]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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