Seiko Cal. 4423 - 850

The 4423-850 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4423 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-c07db08a438d]

Also known as: Samurai, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1972

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