Seiko Cal. 5637 - 190

Seiko 5637-190

This Solar model from 1981 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1eecb908f33a]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1981

Related Models

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