Seiko Cal. 6644 - 920

The 6644-920 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6644 caliber with 20j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-a0afccbe3a47]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1989

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