Rolex Sea-Dweller 1665 MK1 - Warm Patina

early MK1 dial - warm vanilla patina - faded bezel

Rolex Sea-Dweller 1665 MK1 - Warm Patina - professional vintage diver watch from 1978
professional vintage diver watch from 1978
flawless matte black dial
original tritium with vanilla patina
very good condition of the case
screw-down triplock crown
helium valve
deep engravings on the back: 'Rolex Patent Oyster Gas Escape Valve'
automatic caliber Rolex 1570
'Montres Rolex S.A. Geneva Switzerland Patented Stainless Steel' and the reference 1665 inside the case back
1665 between the lugs
serial number 5714xxx between the lugs
oyster bracelet with its full length
bracelet reference 93150 und the clasp code VD (1979)
diver's extension, 'PATENTED ROLEX'
stunning look on the wrist

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Description
This Rolex Sea-Dweller 1665 has a unique warm appearance thanks to the beautiful patina in the markers and a slightly faded bezel.

The Sea-Dweller is the professional diving watch from Rolex. In addition to the higher water resistance, the Sea-Dweller had the newly developed helium valve. Through this, the overpressure that had developed in the watch during the long stay under water could escape.

Here you can see the rare MK1 version with an early serial number dating to 1978. The watch scores with its flawless dial and beautiful look, which is created thanks to the vanilla luminous material. The rotating diver's bezel is slightly faded and has a grayish tint. This gives the watch an authentic vintage look.

The Sea-Dweller is accompanied by the original and matching Oyster bracelet.

Condition report.
Dial: absolutely flawless - original tritium in markers and hands - vanilla patina - signed "Swiss - T < 25".

Case: light wear - full profile - deep engravings on the back.

Bezel: rotatable bezel - grayish ghost patina - light scratch at 4 o'clock - intact luminous dot at 60 - rotates smoothly in both directions.

Bracelet: stainless steel Oyster bracelet - natural wear marks - reference 93150 - end links 580 - clasp code VD (1979).

Movement: automatic caliber Rolex 1570 - timegrapher: rate: +6s/day, amplitude: 289, beat error: 0.4 - has been serviced in January 2023.

Summing-Up
The Rolex Sea-Dweller is the queen of professional diving watches. This particular vintage version is a top collector's item, featuring a rare MK1 dial with superb patina.

Serial number: 5714xxx (1978)

Int.Exe.: 2053020
Features

Manufacturer: Rolex

Model: Sea-Dweller

Reference: 1665

Functions: date - central second - COSC certified chronometer - hacking second - screw-down crown - hour and minute - rotating bezel - helium valve - screwed-on caseback

Material: Stainless steel

Dial: black

Watch glass: acrylic crystal

Bracelet: stainless steel

Type of clasp: deployant buckle

Diameter: 40mm

Caliber name: Rolex 1570

Movement type: automatic

Year of Manufacture: 1978

Stock No.: PTV1859

Overall condition: 9 - has rarely been worn - top condition

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