Seiko Cal. 6290 - 431

The Seiko 6290-431 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-894fbf0796c3]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1989

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