Seiko Cal. 4525 - 990

The 4525-990 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-9e0a5fbd4efd]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

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