Constellation CO‑AXIAL MASTER CHRONOMETER Ref# 131.25.29.20.53.002
$389.00
Unworn Constellation CO‑AXIAL MASTER CHRONOMETER 131.25.29.20.53.002. 29 mm, Blue dial, Steel ‑ Sedna™ Gold case, Sedna™ Gold bezel, 8700 calibre, Self Winding Movement, 50 Hours power reserve, Steel ‑ Sedna™ Gold bracelet Butterfly clasp. Water resistant to 50 m.
TECHNICAL DETAILS
- Model: Constellation
- Reference: 131.25.29.20.53.002
- Diameter: 29 mm
- Case material: Steel ‑ Sedna™ Gold
- Dial color: Blue
- Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
- Bezel Type: Fixed
- Bezel Color: Sedna™ Gold
- Bezel Material: Sedna™ Gold
- Calibre: 8700
- Movement: Self Winding
- Power Reserve: 50 Hours
- Bracelet Material: Steel ‑ Sedna™ Gold
- Buckle type: Butterfly clasp
- Functions: Anti‑magnetic, Chronometer, Date, Master Chronometer Certified, Transparent case back, Diamonds
- Water resistance: 50 m
| Hypoallergenic | Nickel-free and lead-free, gentle on sensitive skin |
|---|---|
| Style no. | OP-121369 |
| 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 $15 per order. Every order ships from our fulfillment warehouse in Hong Kong — prepared within 1–3 business days, then delivered in 7–12 business days with tracking — estimated delivery Sep 14 – Sep 23.
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.




















