Seiko Cal. 6644 - 377

Released in 1988, the Cal. 6644 with design code 377 was part of Seiko's domestic market collection. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-1bb3edccba94]

Also known as: Pogue, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1988

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