Seiko Cal. 6616 - 986

The Seiko 6616-986 represents an important milestone in Seiko's 1979 lineup. Powered by the 6616 caliber with 26j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-964ba57330c2]

Also known as: Bullhead, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

Related Models

• Seiko 7094-909
• Seiko 6257-503
• Seiko 4530-773
• Seiko 7074-227
• Seiko 6613-345
• Seiko 7184-356
• Seiko 6624-969
• Seiko 6357-454
• Seiko 4454-759
• Seiko 5234-346
• Seiko 7031-711
• Seiko 6131-683