Seiko Cal. 6654 - 984

The Seiko 6654-984 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-53fe0ac9ed4e]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1980

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