Seiko Cal. 6390 - 278

The Seiko 6390-278 represents an important milestone in Seiko's 1999 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-ed3a0300dd05]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1999

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