Seiko Cal. 4425 - 870

The 4425-870 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-9836e4a894f2]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1993

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