




Seamaster AQUA TERRA 150M CO‑AXIAL MASTER CHRONOMETER Ref# 220.10.41.21.10.001
Unworn Seamaster AQUA TERRA 150M CO‑AXIAL MASTER CHRONOMETER 220.10.41.21.10.001. 41 mm, Green dial, Steel case, Steel bezel, 8900 calibre, Self Winding Movement, 60 Hours power reserve, Steel bracelet with Butterfly clasp. Water resistant to 150 m.
TECHNICAL DETAILS
- Model: Seamaster
- Reference: 220.10.41.21.10.001
- Diameter: 41 mm
- Case material: Steel
- Dial color: Green
- Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
- Bezel Type: Fixed
- Bezel Color: Silver
- Bezel Material: Steel
- Calibre: 8900
- Movement: Self Winding
- Power Reserve: 60 Hours
- Bracelet Material: Steel
- Buckle type: Butterfly clasp
- Functions: Anti‑magnetic, Chronometer, Date, Master Chronometer Certified, Screw‑in crown, Time zone function, Transparent case back
- Water resistance: 150 m
| Hypoallergenic | Nickel-free and lead-free, gentle on sensitive skin |
|---|---|
| Style no. | OP-120977 |
| Baby (0–24 mo) | Bracelets 4.0–4.7 in · Necklaces 10–12 in · Earrings 8–11 mm hoops |
|---|---|
| Child (2–12 yr) | Bracelets 4.7–6.0 in · Necklaces 12–14 in · Rings sizes 2–4 |
| Teen | Bracelets 6.0–6.5 in · Necklaces 14–16 in · Rings sizes 4–7 |
Between sizes? We recommend sizing up — a little room to grow keeps a keepsake wearable longer.
U.S. shipping is a flat $50 per order, and free on orders over $800. Every order ships from our fulfillment warehouse in Hong Kong — prepared within 3 business days, then delivered in 2–7 business days with FedEx tracking — estimated delivery Sep 22 – Sep 29.
Because every order travels with FedEx, we need a full street address — FedEx cannot deliver to PO boxes or APO/FPO addresses.
Unused and unworn items may be returned within 30 days of delivery. We provide a prepaid U.S. return label and charge no restocking fee. See our Returns & Refunds policy for the earrings hygiene exception and instructions.
buy together
Often bought together
Flat $50 U.S. shipping, free once the order passes $800.









