Seiko Cal. 6674 - 878

The 6674-878 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6674 caliber with 31j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-65177b7c50a1]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

Related Models

• Seiko 7082-259
• Seiko 6339-706
• Seiko 6334-484
• Seiko 6679-412
• Seiko 6667-370
• Seiko 6370-588
• Seiko 3894-262
• Seiko 5227-954
• Seiko 5290-124
• Seiko 6663-616
• Seiko 5689-681
• Seiko 4492-444