Skip to Content

The Fall Event! Save 25% Off*

Prices as shown; no code needed.

*Save 25% off the current list price of a selection of watches. Discount automatically applied, as shown on product pages of applicable models; no code needed. Some exclusions apply, including but not limited to: New Arrivals, Limited Editions, ATTESA Collection, Eco-Drive One Collection, Series8 Collection, The CITIZEN Collection, preorder and products not in stock. Valid on Citizenwatch.com only, now through 10/25/26 11:59pm PT.

Pricing and product assortment on Citizenwatch.com may vary from retail, department, or specialty stores. Cannot be combined with other offers or discounts, or applied to previous purchases. We reserve the right to cancel this promotion at any time.

Free Shipping & Returns

Enjoy free UPS 2-Day shipping within the U.S. and free returns. Please allow up to two business days for order processing. Orders over $850 will ship signature required.

We stand by the quality and craftsmanship of our products with our 30-day money-back guarantee, and a 5-year limited warranty.

Free Watch Band Sizing

We are also pleased to offer complimentary watch bracelet sizing services with your Citizenwatch.com purchase; please allow an extra 1-2 business days for order processing, prior to shipping, as sizing occurs on demand by one of our expert technicians.

The Fall Event! Save 25% Off*

Caliber 2100

DISCONTINUED
Caliber 2100 - view 1
Caliber 2100 - view 2

Caliber 2100

Stainless Steel

Sold Out

Bold inspiration gives rise to this hand-assembled chronograph with instantaneous zero reset button. A 1/5 second chronograph with sweep hand measures up to 12 hours, features also include power reserve indicator, tachymeter, alarm, date, luminous hands and markers, non-reflective crystal, 44mm screw-back case, and 200M WR. Steel with grey dial. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number M-E2.

Additional Details

Model & Movement
Model:AV0050-54H
Movement:E210 Eco-Drive
Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries.
Band & Clasp
Band Type:Stainless Steel Bracelet
Clasp:Safety Fold Over Clasp with Push Buttons
Case & Dimensions
Case Width:44mm
Lug Width:24.5mm
Case Material:Silver-Tone Stainless Steel
Water Resistance:WR200/20Bar/666ft [Swimming, Showering & Snorkeling]
Crystal
Material:Anti-Reflective Sapphire Crystal
Impact and shatter resistant - anti-reflective coating deflects light
Dial & Details
Dial:Gray
Luminous Hands and Markers
Movement Functions
Hand Assembled Movement
Alarm
Power Reserve Indicator
Date
1/5 Second Fly Back Chronograph Measures up to 12 Hours

Carefully crafted

Citizen timepieces have been engineered to provide years of use with minimal need for service. In the event that service is needed, your timepiece is covered by our 5-year limited warranty. 

Reviews