Seiko Cal. 4425 - 854

This Spring Drive model from 1991 features a 38mm Stainless Steel case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d2c1f37605cf]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1991

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