Seiko Cal. 6390 - 910

The 6390-910 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-08d891a38192]

Also known as: Tuna, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1984

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