Seiko Cal. 4423 - 686

The 4423-686 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4423 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-36cadca920dc]

Also known as: Samurai, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1990

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