Seiko Cal. 6390 - 986

Released in 1979, the Cal. 6390 with design code 986 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-def87e81fdd8]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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