Seiko Cal. 6390 - 906

This Hand-Winding model from 1987 features a 36mm Titanium case. Powered by the 6390 caliber with 31j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-7d303c292763]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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