ETA Valgranges

The Valgranges A07 is a large movement produced by Valjoux (part of ETA in the Swatch Group). The Valgranges brand was launched in 2005. The name Valgranges derives from “Granges” or Grenchen.

The A07 is a derivative of the popular Valjoux 7750. It is a self-winding movement with 24 jewels, ball-bearing rotor, 28.800 A/h. It is designed for larger watches and measures 16.5 lignes.

The A07 is available in the following variants

• ETA A07.111 - hours, minutes, seconds and date (AKA A07.L01)
• ETA A07.161 - hours, minutes, seconds, date and power reserve
• ETA A07.171 - hours, minutes, seconds, date and 24-hours second timezone hand
• ETA A07.211 - hours, minutes, seconds, date and chronograph (Valjoux 7750-based) (AKA A07.221/A07.231)

ETA also makes Valgranges movements for in-house customers, Longines and Omega

• ETA A07.L11 (Longines L697) - hours, minutes, seconds, retrograde day, retrograde date, power reserve, retrograde second time zone hour
• ETA A07.L21 (Longines L698) - hours, minutes, retrograde day, retrograde date, retrograde seconds, retrograde second time zone hour
• ETA A07.L31 (Longines L707) - hours, minutes, retrograde day, retrograde date, retrograde seconds, retrograde second time zone hour, moon phase, day/night indicator
• ETA A08.L01 - column wheel chronograph based on Valjoux 7753 for Longines and Omega (AKA A08.L11/A08.231)

ETA makes specialized movements for Tissot and Rado as well

• ETA A05.H21 - 13 1/4 ligne (30 mm), 25 jewels, 60 hours power reserve, based on ETA 7750
• ETA A05.H31 - 13 1/4 ligne (30 mm), 27 jewels, 60 hours power reserve, minutes at 3 00, small seconds at 9 00, based on ETA 7753
• ETA C01.211 - 13 1/4 ligne (30 mm), 15 jewels, 45 hours power reserve, 6 hour counter, based on Lemania 5100

• ETA Valgranges, official website