ETA Valjoux 7750

ETA (Valjoux) · Automatic · Upper tier · Family: Valjoux 7750 chrono

Factory specs

Caliber
7750
Made in
Switzerland
Frequency
28,800 bph (4 Hz)
Power reserve
54 h
Jewels
25
Hacking
Yes
Hand winding
Yes
Accuracy
—
Diameter
30 mm
Height
7.9 mm
Functions
Hours, Minutes, Small seconds, Chronograph, Date, Day
Same family
ETA Valjoux 7753

Factory grades

GradeAccuracyNotes
Elaboré-5 / +5 s/dayAdjusted in 3 positions; average rate ±5 s/day, max. daily variation ±15 s/day
Top-4 / +4 s/dayAdjusted in 5 positions; average rate ±4 s/day, max. daily variation ±15 s/day
Chronometer-4 / +6 s/dayCOSC-certified

The standard Swiss cam-operated automatic chronograph. ETA product page: 13¼ lignes, Ø30.00mm, 7.90mm high, 25 jewels, 28,800 vph, typical power reserve 54h (Caliber Corner and many older sources quote about 48h, likely a minimum figure), ETACHRON regulator, unidirectional self-winding, stop-second. Small seconds at 9, 30-minute counter at 12, 12-hour counter at 6, centre 60-second chronograph hand, two pushers; day and date in a window with quick correction. Early versions ran at 21,600 vph (Caliber Corner). No Standard grade; grade figures are from Wikipedia (citing ETA manufacturing information). ETA's public site labels the 7750 product page "unavailable". The Sellita SW500 is its counterpart.

Watches with the ETA Valjoux 7750

WatchPrice fromMovementDia. mmThick mmCrystalMicro-adjust
Waldhoff Tornado $849 ETA Valjoux 7750 45 15.8 Sapphire —
Zelos Hammerhead Chrono 1000m Diver Bronze $1,299 ETA Valjoux 7750 44 — Sapphire no bracelet
Zelos Hammerhead Chrono 1000m Diver SS $1,299 ETA Valjoux 7750 44 — Sapphire —
Zelos ZX Bronze Automatic Chronograph $1,299 ETA Valjoux 7750 43 16 Sapphire —
Zelos ZX Ti Automatic Chronograph $1,299 ETA Valjoux 7750 43 16 Sapphire —
Draken Kruger Auto $1,616 ETA Valjoux 7750 44 15.6 Sapphire On-the-fly
Zelos ZX Ti-Damascus Automatic Chronograph $1,999 ETA Valjoux 7750 43 16 Sapphire —
Detroit Watch Company Aviator Chronograph 42mm $2,475 ETA Valjoux 7750 42 14.5 Sapphire —
Detroit Watch Company M1-Woodward 42mm (Valjoux 7750) $2,475 ETA Valjoux 7750 42 14.5 Sapphire —

Sources