Seiko Cal. 4528 - 638

Seiko 4528-638

This Solar model from 1976 features a 37mm Stainless Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-90f1b130e0e5]

Also known as: Monster, Helmet

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
26j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1976

Related Models

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