Citizen Eco-Drive BM7633-81X – Solar-Powered Quartz 

Sleek, Sustainable Timekeeping with Original Receipt, Box & Active Warranty
Experience reliable, eco-friendly precision with the Citizen Eco-Drive BM7633-81X (“Weekender Sport”), purchased new in October 2024 and kept in mint condition. This solar-powered quartz watch—crafted in Japan—combines a textured green dial and rose gold-tone stainless steel construction. It’s ideal for collectors and everyday wearers who appreciate a distinctive look, no-fuss maintenance, and a long factory warranty valid through October 25, 2029.
 
Overall Condition:
Mint pre-owned: virtually no signs of wear with all of its links. Functions flawlessly—time, date, and solar charging all operate perfectly.
Crystal & Dial: Scratch-resistant mineral crystal; textured green dial is immaculate, with luminous rose gold baton indices and hands.
Case & Bracelet: Rose gold-tone stainless steel surfaces remain pristine—no scratches or dents. Fold-over clasp with push buttons works smoothly.
 
Includes:
Citizen Eco-Drive BM7633-81X watch on its original rose gold-tone stainless steel H-link bracelet
Original Citizen box (mint)
Original purchase receipt (Oct 2024)
Warranty papers—active until October 25, 2029
Plastic fback protective cap
 
Features
Movement: Citizen Caliber E111 (Eco-Drive solar-powered quartz)
Six-month power reserve when fully charged
Accuracy: ±15 seconds/month
Overcharge prevention circuitry for durability
Power Source:
Eco-Drive technology converts any light (natural or artificial) into energy stored in a non-user-replaceable MT621 capacitor
No battery replacements ever needed
Dial & Crystal:
Textured green dial with luminous rose gold baton hour markers and hands
Scratch-resistant mineral crystal ensures lasting clarity
Case & Bracelet:
Rose gold-tone stainless steel case (41 mm diameter × 9.7 mm thickness; 48 mm lug-to-lug)
Matching H-link bracelet with fold-over clasp and push-button release
Lug width: 22 mm (fits aftermarket 22 mm straps)
Weight: approximately 135 g
Functions:
Central hour, minute, second hands
Date window at 3 o’clock with integrated magnifier on the crystal
Water Resistance:
Rated to 100 m (10 bar) – suitable for swimming, showering, and snorkeling (but not for scuba diving)
 
Out Take: This Citizen combines reliable, long-lasting solar power with a timeless design that effortlessly fits any occasion. With its mint condition and active factory warranty, you’re getting a like-new timepiece ready to wear and enjoy.
 
FAQs
What is Eco-Drive technology?
Eco-Drive harnesses light to power the watch, storing energy in a special MT621 capacitor. Once fully charged, it runs for up to six months without additional light exposure.
Does this watch need battery changes?
No. The Eco-Drive capacitor is built to last for decades under normal use. Citizen service centers can replace it if ever necessary, but routine battery swaps aren’t required.
Is the warranty still active?
Yes—original warranty papers are valid until October 25, 2029. All eligible servicing is covered by Citizen.
Are there any defects?
No. The watch remains in mint condition. No scratches on the crystal, case, or bracelet; all functions work perfectly.
Can I swim or shower with this watch?
It’s water-resistant to 100 m (10 bar): safe for swimming, showering, snorkeling—but not for scuba diving.
What strap options fit this watch?
The lug width is 22 mm. Aftermarket 22 mm straps (leather, rubber, NATO, etc.) fit perfectly.