Seiko Cal. 6390 - 229

The Seiko 6390-229 represents an important milestone in Seiko's 1977 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-f4bc1644e130]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

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