Hypoallergenic · Nickel-free · Sized for young wearers Flat-rate $15 U.S. shipping · 7–12 business days Every piece arrives in a keepsake gift box — complimentary
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Seamaster AQUA TERRA 150M CO‑AXIAL CHRONOMETER LADIES’ Ref# 231.20.39.21.55.004

Seamaster AQUA TERRA 150M CO‑AXIAL CHRONOMETER LADIES’ Ref# 231.20.39.21.55.004

$389.00

Hypoallergenic Nickel-free Keepsake boxed
Flat-rate $15 U.S. shipping Ships in a velvet keepsake box Free returns within 30 days of delivery Arrives Sep 14 – Sep 23

Unworn Seamaster AQUA TERRA 150M CO‑AXIAL CHRONOMETER LADIES’ 231.20.39.21.55.004. 38.5 mm, White dial, Steel ‑ yellow gold case, Yellow gold bezel, 8500 calibre, Self Winding Movement, 60 Hours power reserve, Steel ‑ yellow gold bracelet with Butterfly clasp. Water resistant to 150 m.

TECHNICAL DETAILS

  • Model: Seamaster
  • Reference: 231.20.39.21.55.004
  • Diameter: 38.5 mm
  • Case material: Steel ‑ yellow gold
  • Dial color: White
  • Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
  • Bezel Type: Fixed
  • Bezel Color: Yellow
  • Bezel Material: Yellow gold
  • Calibre: 8500
  • Movement: Self Winding
  • Power Reserve: 60 Hours
  • Bracelet Material: Steel ‑ yellow gold
  • Buckle type: Butterfly clasp
  • Functions: Anti‑magnetic, Chronometer, Diamonds, Transparent case back, Date, Screw‑in crown, Time zone function
  • Water resistance: 150 m
HypoallergenicNickel-free and lead-free, gentle on sensitive skin
Style no.OP-122723
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
TeenBracelets 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.

keep the set together

Completes the keepsake

Keep the little moments

Join us for new keepsakes, milestone guides and 10% off your first order.

$15 flat-rate U.S. shipping — tracked door to door, 7–12 business days. Free 30-day U.S. returns — prepaid label and no restocking fee. Hypoallergenic promise — nickel-free 14K gold & sterling silver.