Seiko Cal. 5668 - 493

This Quartz model from 1992 features a 39mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-3d5b3c8e5dad]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1992

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