Seiko Cal. 6390 - 237

This Hand-Winding model from 1987 features a 35mm Titanium case. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-0e25c14ef187]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1987

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