Seiko Cal. 4425 - 991

The Seiko 4425-991 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-f0aef7eac4cb]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

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