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 PLANET OCEAN 600M CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH Ref# 215.90.46.51.99.001
Seamaster PLANET OCEAN 600M CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH Ref# 215.90.46.51.99.001

Seamaster PLANET OCEAN 600M CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH Ref# 215.90.46.51.99.001

$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 PLANET OCEAN 600M CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH 215.90.46.51.99.001. 45.5 mm, Grey dial, Titanium case, Ceramic bezel, 9900 calibre, Self Winding Movement, 60 hours power reserve, Titanium bracelet with Foldover clasp. Water resistant to 600 m.

TECHNICAL DETAILS

  • Model: Seamaster
  • Reference: 215.90.46.51.99.001
  • Diameter: 45.5 mm
  • Case material: Titanium
  • Dial color: Grey
  • Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
  • Bezel Type: Unidirectional rotating bezel
  • Bezel Color: Grey with orange
  • Bezel Material: Ceramic
  • Calibre: 9900
  • Movement: Self Winding
  • Power Reserve: 60 hours
  • Bracelet Material: Titanium
  • Buckle type: Foldover clasp
  • Functions: Anti‑magnetic, Chronometer, Chronograph, Date, Helium escape valve, Master Chronometer Certified, Screw‑in crown, Small seconds, Unidirectional rotating bezel, Time zone function, Transparent case back
  • Water resistance: 600 m
HypoallergenicNickel-free and lead-free, gentle on sensitive skin
Style no.OP-123050
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.