Seiko Cal. 4437 - 559

The 4437-559 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-316e5be3d428]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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