Seiko Cal. 5628 - 446

This Spring Drive model from 1987 features a 42mm Gold-Plated case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c67a899ab9d8]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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