Rolex Submariner Date Red MK4, 1680

Item Overview
Up for auction/sale is an authentic vintage Rolex Submariner Date Reference 1680 featuring a highly desirable Mark IV (MK 4) Matte Red Submariner dial (distinguished by the open ⁠6⁠s in the depth rating and feet-first text layout). Powered by the legendary Rolex Caliber 1570 automatic movement.
Please review all details, condition notes, and high-resolution photos carefully before placing a bid or purchase.
Specifications
Brand: Rolex
Model: Submariner Date ("Red Sub")
Reference Number: 1680
Dial Variant: Original Mark IV (MK 4) Matte Red Dial (Open 6s, Feet-First)
Movement: Rolex Caliber 1570 Automatic
Case Material: Stainless Steel
Crystal: Acrylic / Plexiglass Cyclops
Inclusions: Watch only (No box, no original papers)
Detailed Condition Report
Dial & Hands: Original MK 4 matte dial with rich tritium hour markers and red-over-white SUBMARINER text. Shows honest vintage character with small, minor dial surface marks visible near the perimeter/markers upon close inspection (refer to photos). Hands have aged with a matching vintage patina.
Case & Engravings: Stainless steel case retains good lines with expected surface wear consistent with age. Please Note: The serial number between the lugs is no longer present/legible (either worn away over decades from bracelet end-link friction or previously removed). The reference number 1680 remains intact/visible.
Bezel & Insert: Vintage bi-directional bezel with a nicely faded insert and centered tritium dot.
Crystal: Acrylic crystal with cyclops, showing light hairline surface scratches typical of standard wear.
Movement: Running and functioning as intended.