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Sheffield Antimagnetic Alarm — mid‑century mechanical alarm
Produced circa the 1960s, the Sheffield Antimagnetic Alarm pairs a classic mid‑century dress profile with a purpose‑driven alarm function. Its chrome/steel case and perforated stainless resonator back, marked TRIVERA, were designed to amplify the hammer‑struck alarm while the silver‑toned dial with applied numerals and winding indicators communicates the watch’s mechanical intent. At its heart sits the Baumgartner Frères BFG 90 manual caliber, a 17‑jewel, twin‑barrel construction that separates power for timekeeping and the alarm. For the contemporary collector, this watch represents a refined example of inventive post‑war Swiss alarm engineering and thoughtful functional design.
Dossier dell’orologio
Dettagli importanti, senza elementi superflui.
01Specifiche+
- Marca / modello
- Sheffield Sheffield Antimagnetic Alarm Ref. Unknown
- Referenza
- Unknown
- Produzione stimata
- circa 1960s
- Materiale della cassa
- steel
- Diametro della cassa
- 36 mm
- Da ansa ad ansa
- 44 mm
- Spessore
- 14 mm
- Quadrante
- original
- Vetro
- acrylic
- Corona
- original
- Cinturino / bracciale
- calf leather strap
- Movimento
- manual
- Calibro
- Baumgartner Frères BFG 90
- Rubini
- 17
02Revisione e provenienza+
Ultima revisione: 09 June 2026
The service includes the following operations: • Disassembly of the watch • Movement overhaul: dismantling • Cleaning, reassembly and lubrication • Use of Moebius synthetic oils • Ultrasonic cleaning of the case • Reassembly of the case and the watch • Final technical and aesthetic checks
03Consegna e resi+
A questo acquisto si applicano le politiche attuali del negozio.
Incluso con l’orologio