Citizen 67-9011
Bullhead Challenge Timer Chronograph
1972 –1979
The Citizen Bullhead Challenge Timer is a distinctive chronograph from the 1970s featuring an innovative case design with crown and pushers positioned at 12 o'clock, reminiscent of a bull's horns. Powered by the high-beat automatic caliber 8110A, it represents one of Citizen's most collectible vintage chronographs with its unique design and technical capabilities including flyback functionality.
Specifications
Case Diameter 38 mm
Case Material stainless steel
Case Shape cushion
Case Back screw_down
Lug Width 20 mm
Water Resistance 70m
Crystal mineral
Bezel Type tachymeter
Bezel Material stainless steel
Dial Color black
Dial Indexes applied
Dial Hands stick
Bracelet/Strap leather
Bracelet Material leather
Clasp pin_buckle
Complications chronograph, date
Movement
Movement Caliber 8110A
Type automatic
Frequency 21,600 vph
Jewels 17
Functions hours, minutes, seconds, chronograph, date
More from Bullhead Challenge Timer
View all Bullhead Challenge Timer references →
Related Guides & Articles
Buyer's Guide
Best Watches Under $1,000 in 2026
The best watches you can buy under $1,000 in 2026 — pre-owned and new picks from Seiko, Hamilton, Orient, Tissot, and G-Shock with current prices.
Mar 7, 2026
Buyer's GuidePre-Owned Citizen: Buying Guide & Prices
How to buy a secondhand Citizen — from Eco-Drive to the Promaster, with pre-owned prices and the best models for everyday wear.
Mar 4, 2026