Seiko Cal. 5666 - 638

Released in 1997, the Cal. 5666 with design code 638 was part of Seiko's domestic market collection. Powered by the 5666 caliber with 29j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-faac535afed0]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1997

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