Seiko Cal. 6678 - 366

This Hand-Winding model from 1982 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-dd300af8083e]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1982

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