Seiko Cal. 6668 - 854

The Seiko 6668-854 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-31d4e457627a]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

Related Models

• Seiko 5298-564
• Seiko 4530-818
• Seiko 4582-688
• Seiko 7168-970
• Seiko 7162-894
• Seiko 4450-782
• Seiko 3849-264
• Seiko 6617-440
• Seiko 6329-228
• Seiko 0722-759
• Seiko 6358-626
• Seiko 0724-652