Stimmgabel

Allegro
Electronic

Baume&Mercier
Tronosonic

All01Allegro

Eterna
 Sonic

Ete09Eterna4F

Rado
Electrosonic

Bau04Tronosonic19210F

Imado
Tuning Fork

Ima02ImadoS1F

Slava
Transistor

Bucherer
Tronosonic

Buc01BuchererF

IWC
Electronic

IWC03EdisonF

Swissonic
100

Stimmgabel
Schrank

TFSchrank

Tissot
Tissonic

Tis08Tissonic1F
Rad02Rado1F SlavaT Swissonic100

Bulova
Accutron

Bul095Bulova214J (2)

Longines
Ultronic

Lon08ConquestF

Certina
Certronic

Cer27Certina743F

Movado
Electronic

Mov01MovadoF

Citizen
Hisonic

Hisonic2

Omega
f300

Ome02MegasonicF

Titus
Tuning Fork

Universal Geneve
Unisonic

Zenith
XL-Tronic

Uni01UniverF Zen02ZenithBF
Sol04TitusSGF