Seiko Cal. 6390 - 927

The Seiko 6390-927 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-fe857521ccc7]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1970

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