Crowned Koi
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Crowned Koi
The Collection

Explore Our Watches

Curated vintage & collectible timepieces

By appointment in NYC

Every watch authenticated in-house by Pat. Reply to any email or text to reach him directly.

pat@crownedkoi.comMon–Sat · 10a–7p ET

Crowned Koi

Certificate of Authentication

CK-CERT-2B926641

Brand

Rolex

Model

GMT-Master II

Reference

16710

Serial

F3•••••

Authenticated by

Pat at Crowned Koi

Date Issued

September 26, 2025

Scan to verify CK-CERT-2B926641

Verify at crownedkoi.com/authentication/2b92664192b74d88b2966a2e5e65e4ed

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