Seiko Cal. 5622 - 678

This Spring Drive model from 1989 features a 42mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-b63057a853d9]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1989

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