Seiko Cal. 6398 - 771

This Hand-Winding model from 1983 features a 41mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-9c6e9d1d0ad2]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1983

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