Seiko Cal. 6388 - 331

The 6388-331 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-5bb09ff3cdb1]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1986

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