Heritage Narrative
The Rolex Cosmograph Daytona reference 16520 marks a pivotal era in Daytona history as the first automatic generation, powered by the Zenith-based calibre. Early examples such as this 1991 production are especially sought after, featuring the rare “inverted 6” dial — a subtle detail that has become highly collectible among enthusiasts.
Technical Specifications
Reference:
16520
Year:
1991
Movement:
Rolex automatic chronograph movement (Zenith-based calibre 4030)
Case:
40 mm Oyster case in stainless steel
Bezel:
Fixed stainless steel bezel with engraved tachymeter scale
Crystal:
Scratch-resistant sapphire crystal
Dial / Hands:
Black dial with chronograph subdials and “inverted 6” detail
Bracelet / Clasp:
Stainless steel bracelet with folding clasp
Water resistance:
100 m (manufacturer specification)
Condition & Inclusions
Overall grade:
Pre-owned — good condition
Service status:
Running within specification
Set:
Watch only (no box or papers)
Shipping & Logistics
Stored off-site and shipped fully insured within 1–3 business days.
Worldwide shipping available; buyer responsible for any import duties or taxes.
Shipping & Returns
Complimentary insured worldwide shipping and a 14-day return window (watch must be returned in the same condition supplied).
Each timepiece is authenticated, time-tested, and professionally prepared prior to dispatch. All shipments include secure packaging, tracking, and full insurance coverage.
