Seiko Cal. 6678 - 879

This Quartz model from 1978 features a 46mm Stainless Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-beab6d7cf994]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

Related Models

• Seiko 5219-111
• Seiko 6273-120
• Seiko 6630-727
• Seiko 4473-785
• Seiko 6680-637
• Seiko 4421-971
• Seiko 6245-978
• Seiko 5627-298
• Seiko 5634-799
• Seiko 3819-971
• Seiko 5651-421
• Seiko 7021-394