Seiko Cal. 4537 - 509

The 4537-509 is a sought-after Solar piece from Seiko's golden era. Powered by the 4537 caliber with 18j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-d96f9c4d33ac]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1985

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