Citizen Eco-Drive Chronograph Green Dial AT21 CZ balances a clean dial against a stainless steel case — a men’s piece that reads elegant without shouting.
Case & Dial
| Case size | 42 mm |
|---|---|
| Case material | Stainless Steel |
| Case thickness | 10.5 mm |
| Crystal | Scratch Resistant Sapphire |
| Dial | Green |
| Hands | Silver-tone |
| Case back | Solid |
| Bezel color | Silver-tone |
| Bezel | Fixed |
Movement
| Functions | |
|---|---|
| Chronograph, Date,Hour, Minute, Second, Solar-powered | |
| Movement | Citizen Caliber Eco-Drive H504 |
Bracelet
| Clasp | |
|---|---|
| Deployment with Push Button Release | |
| Bracelet | Stainless Steel |
Other details
| Water resistance | 100 meters / 330 feet |
|---|
Additional Information
| Calendar | |
|---|---|
| Date display between 4 and 5 o’clock position |




Ruby B. (verified owner) –
Daniel N. (verified owner) –
solid