# Citizen Bullhead Chronograph Automatic Cal:8110 Review by A.I. WatchMetrics

## Watch Summary
The Citizen Bullhead Chronograph Automatic Cal:8110 is a modern reissue of the brand's iconic 1970s design, sporting a distinctive tonneau-shaped case with bullhead crown at 12 o'clock and chronograph pushers at 6 o'clock, a textured vertical-striped panda dial with tri-compax layout, powered by the reliable in-house automatic 8110A movement delivering 45 hours of power reserve and 21,600 vph beat rate, perfect for vintage watch enthusiasts seeking a unique, affordable mechanical chronograph with retro sports appeal.

## Overall Watch Rating: 7.6/10.0

**Dials & Design Metric (9.2/10.0)** - The bullhead layout, vertical-striped panda dial, and applied markers create a timeless, eye-catching vintage chronograph aesthetic on par with Heuer Carrera reissues.
**Movement Metric (8.9/10.0)** - The 8110A automatic chronograph offers robust in-house performance with 23 jewels and reliable daily accuracy, holding its own against workhorse ETA 7750-based movements.
**Material Metric (8.6/10.0)** - Stainless steel case with sapphire crystal and exhibition caseback provides premium build quality comparable to entry-level Omega divers.
**Versatility Metric (8.3/10.0)** - This retro chronograph transitions seamlessly from casual weekends to office settings, much like a Seiko "Panda" 6139 reissue.
**Complications Metric (7.8/10.0)** - The column-wheel-style cam-lever chronograph with 60-minute and running seconds subdials delivers solid functionality akin to mid-tier Longines chronos.
**Functions Metric (7.2/10.0)** - Core timekeeping plus chronograph adds practical utility similar to Hamilton's Intra-Matic chronographs.
**History & Innovation Metric (6.9/10.0)** - Rooted in Citizen's pioneering 1970s Japanese mechanical chronographs, it revives a cult classic with modern refinements like aBlogtoWatch highlights.
**Rarity Metric (5.9/10.0)** - At $2,500 retail with steady production, it offers accessible exclusivity like Tudor's Black Bay Chrono.
**Brand Metric (5.3/10.0)** - Citizen's strong Japanese engineering heritage shines in value-driven mechanicals, on par with Seiko's Prospex line.

## Total Performance Score (TPS): 9.9

## WM Collector Grade: A+

## Performance Insights: Shines in standout design, solid movement, and materials while brand prestige lags; exceptional value at roughly half its $12,000 implied performance price.

## TPS Interpretation: Exceptional Value: The watch vastly overperforms with iconic styling and mechanical reliability far exceeding expectations for its price.

## Watch Data
[https://www.citizenwatch.com/us/en/media/productimages/citizentime/large/NJ0150-81E0_Front.png] - [https://www.citizenwatch.com/us/en/media/productimages/citizentime/large/NJ0150-81E0_Front.png]; [https://www.citizenwatch-global.com/product/images/NJ0150/NJ0150-81E_8.png] - [https://www.citizenwatch-global.com/product/images/NJ0150/NJ0150-81E_8.png]; [] - []; [Bullhead Chrono] - [Bullhead Chrono]; [Citizen] - [Citizen]; [Bullhead Chronograph NJ0150-81E] - [Bullhead Chronograph NJ0150-81E]; [Japan] - [Japan]; [https://www.citizenwatch.com/us/en/model/NJ0150-81E0.html] - [https://www.citizenwatch.com/us/en/model/NJ0150-81E0.html]; [] - []; [Automatic] - [Automatic]; [8110A] - [8110A]; [3] - [3]; [Reissue of Citizen's 1973 bullhead chronograph with crown at 12 o'clock, tri-compax dial, and automatic chronograph functions.] - [Reissue of Citizen's 1973 bullhead chronograph with crown at 12 o'clock, tri-compax dial, and automatic chronograph functions.]; [42.0] - [42.0]; [47.0] - [47.0]; [11.7] - [11.7]; [22] - [22]; [50] - [50]; [45] - [45]; [21600] - [21600]; [Luminova] - [Luminova]; [23] - [23]; [Stainless Steel] - [Stainless Steel]; [Sapphire] - [Sapphire]; [Fixed] - [Fixed]; [Sapphire Exhibition] - [Sapphire Exhibition]; [Bullhead Screw-Down] - [Bullhead Screw-Down]; [Calfskin Leather] - [Calfskin Leather]; [Tonneau] - [Tonneau]; [Blue Vertical Stripe] - [Blue Vertical Stripe]; [Subdial] - [Subdial]; [No] - [No]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [9.9] - [9.9]; [A+] - [A+]; [12000] - [12000];

**A.I. WatchMetrics Review v37.4 Grok 4 Fast. December 19, 2025.**