Nighthawk
Style meets function in the Citizen Nighthawk with a sporty appeal. Designed with a granite ion-plated stainless steel case and bracelet with a charcoal gray dial with red accents, the advanced features include a 1/5 second chronograph that measures up to 60 minutes, 12/24 hour time, and a tachymeter that measures speed based on time traveled over a distance. This must-have men’s watch also features a screw-down crown, a safety foldover clasp with push button, and water resistance to 200 meters. Made with our proprietary Eco-Drive technology that’s sustainably powered by any light and never needs a battery, this versatile men’s watch becomes your weekday to weekend wardrobe staple. Caliber number B620.
Free Bracelet Sizing
5 Year limited warranty
Free Shipping on all orders
Key Details

Model
- CA4377-53H
- 8/10/2017
Movement Technology
- B620
- Eco-Drive
- Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries.
Band Length (mm)
- 228.6
Case Width (mm)
- 43
Lug Width (mm)
- 23.5
Crystal
- Mineral Crystal
- Impact and shatter resistant
Features

Soar to New Heights
- Chronograph
- Date
- Eco-Drive
- Luminous Hands/Markers
- Tachymeter
Water-Resistance
- WR200/20Bar/666ft [Swimming, Showering & Snorkeling]
Dial
- Gray
- Luminous Hands and Markers
Band Length (mm)
- 228.6
Band Type
- Bracelet
- Stainless Steel
Case Material
- Gray
- Stainless Steel
Additional Functions
- 1/5 Second Chronograph Measures up to 60 Minutes
- 12/24 Hour Time
- Date