Seiko Cal. 5666 - 423

The Seiko 5666-423 represents an important milestone in Seiko's 1994 lineup. Powered by the 5666 caliber with 20j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-bc3e54e471ca]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1994

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