1930s Rolex Bubble Back Ref.1858 Very Rare 1st Model Original Black dial in S.Steel

Manufacturer ROLEX OYSTER Bubble Back 1st-model
Model Bubble Back
Year of Manufacture 1930s
Reference no. 1858
Product no. A-6378
1930's manufactured Rolex Oyster Bubbleback Ref.1858 Very rare 1st model with original black dial. It is a very rare and precious piece with historical value in the history of Rolex, equipped with an early model movement Cal. 520 with engraved handling instructions, in a 4-piece waterproof case consisting of bezel, middle case, back cover, and movement holder. The original black dial is a gem that fascinates with its period aspect and great taste. It comes with a straight bracelet as well as a bamboo bracelet, which allows you to enjoy the taste of the period even more.
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Item details

Serial no. 58,***
Caliber 520
Movement no. ---
Movement type Automatic
Material Stainless steel
Case size 30.5mm
Case type Screw back Water-resistant
Dial Original
Type of Indices Print
Belt Non-original (lug width: 16.5mm)
Evaluation case 92%
Evaluation dial 93%
Evaluation mov 93%
Condition 4.5
Rarity 5

Other details

Case: Minor scratches and aging, but retains original shape and volume.

Dial: Some age-related wear, but retains enough of its print and three-tone color.

Movement: No problems with winding or screwing. Accuracy is around 40 seconds per day.