Seiko Cal. 7166 - 305

Released in 1969, the Cal. 7166 with design code 305 was part of Seiko's domestic market collection. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-98bfb2adfc3e]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1969

Related Models

• Seiko 3887-699
• Seiko 7059-951
• Seiko 5240-103
• Seiko 7184-748
• Seiko 7040-858
• Seiko 0741-606
• Seiko 7196-840
• Seiko 6642-980
• Seiko 6380-183
• Seiko 5614-350
• Seiko 6356-640
• Seiko 6671-283