Seiko Cal. 6678 - 439

The Seiko 6678-439 represents an important milestone in Seiko's 1997 lineup. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-a4b0b84324c7]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1997

Related Models

• Seiko 3873-501
• Seiko 3822-363
• Seiko 5235-394
• Seiko 6334-310
• Seiko 5691-247
• Seiko 5233-828
• Seiko 7012-781
• Seiko 4454-321
• Seiko 4546-761
• Seiko 3886-709
• Seiko 3873-777
• Seiko 7081-371