Seiko Cal. 4437 - 623

The 4437-623 is a sought-after Solar piece from Seiko's golden era. Powered by the 4437 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-1d378a05c44f]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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