Seiko Cal. 5633 - 638

The 5633-638 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-96af11d90909]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1989

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