Seiko Cal. 5637 - 563

The 5637-563 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-4a0da6eeb23a]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1990

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