Seiko Cal. 6390 - 280

The 6390-280 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-7e16e859c492]

Also known as: Shogun, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1977

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