Seiko Cal. 5663 - 674

This Automatic model from 1998 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-832f4e398d82]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

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