Seiko Cal. 3884 - 989

The Seiko 3884-989 represents an important milestone in Seiko's 1976 lineup. Powered by the 3884 caliber with 28j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-6b3669d4bfc9]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1976

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