Seiko Cal. 3890 - 985

The Seiko 3890-985 represents an important milestone in Seiko's 1980 lineup. Powered by the 3890 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-e1de69bd2699]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

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