Seiko Cal. 4425 - 655

This Spring Drive model from 1979 features a 37mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-b5de8312338f]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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