Seiko Cal. 3890 - 318

The Seiko 3890-318 represents an important milestone in Seiko's 1984 lineup. Powered by the 3890 caliber with 30j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-a4ec7d3116d1]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1984

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