Seiko Cal. 6390 - 761

This Quartz model from 1989 features a 38mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-03f13f444dc4]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1989

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