Primary Function: Isaha yo ku kuboko Bigbang ni isaha yo ku kuboko ikoresha imashini yubatswe hakoreshejwe uruziga rwinshi rw'imibare (multi-layer dial). Uruziga rw'umukara n'izahabu rufite idirishya ryafunguwe ku ruhande rw'iburyo, rigaragaza urushinge rw'iminota nk'umwuka ugenda hejuru n'hasi aho kuzenguruka, rikagaragaza uko igihe gitambuka. Uruziga rw'ingoboka rw'amasaha 24 rufite ingero ebyiri (double scale) kandi runini bihagije ku buryo bworoshye gusoma, kandi rufasha uwarwambaye gutandukanya amanywa n'ijoro. Ubwiru, uburebure n'uburebure bw'urushinge kuri buri rwego bigenzurwa neza cyane kugira ngo izo nshinge zikomeze guhuza neza. Igafuni (crown) gishyirwa hagati y'isaha ya kane n'iya gatanu kugira ngo cyoroherane.
Izina ry'umushinga : Bigbang, Izina ryabashushanya : Agelocer , Izina ry'abakiriya : AGELOCER.
Igishushanyo gitangaje nuwatsindiye igihembo cya feza mu marushanwa yo kwerekana imideli, imyambaro n'imyenda. Ugomba rwose kubona ibihembo bya silver byegukana ibishushanyo mbonera bya portfolio kugirango umenye ubundi buryo bushya, bushya, umwimerere kandi uhanga, imyambarire n'imyenda.
