Bulgari Diagono Scuba SD 38 S

Technical characteristics

Type

Diver's wristwatch

Bezel

60-minute graduated unidirectional revolving

Grade

Grade A

Maker

Bulgari

Serial

L 8055

Diameter

38.1 mm

Movement

Caliber 220, 21 jewels

Functions

Self-winding, centre-seconds, date

Reference

SD 38 S

Place recorded

Italy and Switzerland

Maker / attribution

Bulgari

Design

Visible features

• Unidirectional 60-minute graduated bezel • Half-instantaneous date aperture at 3 o'clock • Luminous hour markers and hands • Bulgari signed rubber strap with deployant clasp

Case and Dial Design

The Bulgari Diagono Scuba, reference SD 38 S, is constructed in stainless steel with a round profile. It includes a unidirectional revolving bezel used for tracking decompression times, marked with a 60-minute scale. The crown is protected by integrated crown guards to improve durability during diving activities. The case-back is of a screwed design, which contributes to the water-resistant property of the timepiece. The black dial serves as the primary interface, featuring center-seconds and a half-instantaneous date display located at the 3 o'clock position. The hour markers and hands include luminous material for visibility. The dial displays branding and certification text, including 'Chronometer Officially Certified'. The auction report states the case shows slight scratching, while the dial itself is categorized as in good condition.

Provenance and Authentication

The item is identified as lot 54 and is manufactured by Bulgari, with operations noted in both Rome and Neuchâtel. The serial number assigned to the case is L 8055. The watch is presented on a black rubber Bulgari strap that is completed with a stainless steel double-folding Bulgari deployant clasp. The watch is authenticated through signatures located on the dial, the case itself, and the internal movement. The auction house lists the object with a grade of 'A' and defines it as 'Good' in the provided grading system. The documentation provided confirms the date range as circa 2000-2010.

Movement and Technical Details

The timepiece is driven by the caliber 220 movement, which contains 21 jewels. This is a self-winding automatic caliber. The watch is recognized as a chronometer, a designation that signifies precision testing. The movement is signed by the manufacturer, consistent with the signatures found on the dial and the exterior of the case. The watch maintains a diameter of approximately 38.1 mm and weighs roughly 85 grams, providing a standard size for this specific reference within the Diagono product family.

Identification

Reference

SD 38 S

Serial number

L 8055

Source note

Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.