Seiko Cal. 4428 - 410

This Spring Drive model from 1983 features a 42mm Two-Tone case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-3f7b27497d63]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1983

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