Seiko Cal. 5637 - 563

Seiko 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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