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Julius Assmann Glashütte observation chronometer

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

ca. 1915

This Julius Assmann Glashütte pocket watch is an observation chronometer designated as the “Ingenieur” model, dating to approximately 1915. It is housed in a silver case with a diameter of approximately 57 mm and weighs approximately 120 g.

The watch features a white enamel dial with black Arabic numerals and a subsidiary seconds dial. Internally, it is powered by an Assmann precision lever movement, identified as Anker chronometer No. 21994, which includes a moustache lever and a fine adjustment mechanism. The auction description notes the presence of original accompanying documentation, including matching numbered original papers and an original invoice from 1915, as well as an original presentation box.

Assmann produced these chronometers for both civilian and military applications, with the "Ingenieur" designation intended for use in technical and scientific environments.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Date
ca. 1915
Type
Observation chronometer
Maker
Julius Assmann Glashütte
Case number
22014
Case diameter
57 mm
Case material
Silver
Included items
Original box, papers, and invoice
Place recorded
Germany
Movement number
21994
Movement features
Moustache lever and fine adjustment
Maker / attribution
Julius Assmann

Design

Case and Dial
The pocket watch is encased in silver and measures approximately 57 mm in diameter. The total weight of the object is stated as approximately 120 g. The exterior presents with an original silver case, which is recorded with the number 22014. The dial is constructed of white enamel and displays Arabic hour markers. It is equipped with steel hands and includes a subsidiary seconds register positioned at the 6 o'clock mark. The dial is signed "J. Assmann Glashütte i/Sachsen".
Visible features
• Enamel dial with Arabic numerals • Subsidiary seconds dial at the 6 o'clock position • Gilded movement plates • Moustache lever escapement visible
Movement and Construction
The movement is an Assmann precision lever caliber, identified by the maker as an "Anker chronometer" with movement number 21994. The construction incorporates a moustache lever escapement and a fine adjustment mechanism to ensure precision timekeeping. The movement is finished with gilded plates. The auction description confirms the watch is in working order and retains its original condition.
Provenance and Documentation
The chronometer is accompanied by its original box, labeled "Ingenieur." The provenance is further supported by the presence of original papers and an invoice dating to 1915, all of which bear matching serial numbers to the case. These chronometers were marketed for civilian and industrial use under the "Ingenieur" designation, contrasting with the military "Marine" versions produced by the same manufacturer.

Identification

Serial number
22014
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.

Research required

  • Research required: Condition of the internal movement beyond stated working order
  • Research required: Verification of case/movement serial number matching
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