Seiko Cal. 5668 - 377

Released in 1977, the Cal. 5668 with design code 377 was part of Seiko's domestic market collection. Powered by the 5668 caliber with 19j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-aa638eb2d9dd]

Also known as: Samurai, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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