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-B0274BEC

Brand

Rolex

Model

Submariner

Reference

5513

Year

1978

Serial

57•••••

Authenticated by

Pat at Crowned Koi

Date Issued

April 30, 2026

Scan to verify CK-CERT-B0274BEC

Verify at crownedkoi.com/authentication/b0274beccda6427cb370559dc3c47ba4

← View watch listingAbout authentication