Seiko Cal. 6388 - 331

This Spring Drive model from 1990 features a 38mm Hardlex-Coated Steel case. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-0e393cce90e9]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1990

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