Seiko Cal. 6278 - 427

The Seiko 6278-427 represents an important milestone in Seiko's 1989 lineup. With its 22mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-67577080b451]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1989

Related Models

• Seiko 0766-854
• Seiko 6383-975
• Seiko 6647-531
• Seiko 7054-460
• Seiko 6351-565
• Seiko 3887-987
• Seiko 3817-857
• Seiko 7092-740
• Seiko 5296-324
• Seiko 4430-895
• Seiko 7184-579
• Seiko 5223-907