Seiko Cal. 6390 - 986

The Seiko 6390-986 represents an important milestone in Seiko's 1994 lineup. Powered by the 6390 caliber with 31j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-189c6b475356]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1994

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