Constellation CO‑AXIAL MASTER CHRONOMETER Ref# 131.55.39.20.52.002
$389.00
Unworn Constellation CO‑AXIAL MASTER CHRONOMETER 131.55.39.20.52.002. 39 mm, Silver dial, Yellow gold case, Yellow gold model features a diamond-paved bezel, 8801 calibre, Automatic Movement, 55 hours power reserve, Yellow gold bracelet Butterfly clasp. Water resistant to 50 m.
TECHNICAL DETAILS
- Model: Constellation
- Reference: 131.55.39.20.52.002
- Diameter: 39 mm
- Case material: Yellow gold
- Dial color: Silver
- Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
- Bezel Type: Fixed
- Bezel Color: Yellow
- Bezel Material: Yellow gold
- Calibre: 8801
- Movement: Automatic
- Power Reserve: 55 hours
- Bracelet Material: Yellow gold
- Buckle type: Butterfly clasp
- Functions: Anti‑magnetic, Chronometer, Date, Master Chronometer Certified, Diamonds, Transparent case back
- Water resistance: 50 m
| Hypoallergenic | Nickel-free and lead-free, gentle on sensitive skin |
|---|---|
| Style no. | OP-121238 |
| 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.




















