Seiko Cal. 3890 - 306

Released in 1983, the Cal. 3890 with design code 306 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-bf37ae102bf2]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1983

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