Crowned Koi
Book an appointmentor email pat@crownedkoi.com
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-3F20399B

Brand

Rolex

Model

Submariner

Reference

16610

Year

1999

Serial

A1•••••

Authenticated by

Pat at Crowned Koi

Date Issued

February 18, 2026

Scan to verify CK-CERT-3F20399B

Verify at crownedkoi.com/authentication/3f20399b5a2b494da10ce27e42b973fe

← View watch listingAbout authentication