Seiko Cal. 5637 - 409

The 5637-409 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a1f29f5dfe72]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1984

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