Seiko Cal. 6390 - 219

This Spring Drive model from 1991 features a 37mm Hardlex-Coated Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-583f1b85a5cd]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

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