Seiko Cal. 4525 - 637

Seiko 4525-637

This Spring Drive model from 1981 features a 35mm Stainless Steel case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-aa7e35e8feb0]

Also known as: Silverwave

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
150m
Dial Color
Silver
Jewels
23j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1981

Related Models

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