Seiko Cal. 6678 - 928

The Seiko 6678-928 represents an important milestone in Seiko's 1976 lineup. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-ca103b31df4f]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1976

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