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ETA 7750 Family

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BRANDS: ETA, Valjoux

Production: 1973 – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

ETA 7750 Family Overview

The ETA (formerly Valjoux) 7750 is a robust and reliable automatic movement with an integrated cam-operated chronograph function. It has spawned a family of chronograph and time-only movements and is used as a base for many complications and third-party watch movements.

One of the earliest photos of the movement, then known as VAL 7750, appeared in an ETA “family portrait” advertisement in Europa Star in 1975

Introduced in 1974, the Valjoux 7750 was soon retired but returned in the 1980s. It has come to dominate the industry and remains popular today. Most versions of Cal. 7750 feature small seconds at 9:00 and chronograph hours and minutes subdials at 12:00 and 6:00, respectively. This “6-9-12” subdial arrangement is instantly recognizable to watch enthusiasts.

Distinguishing features of the ETA 7750 family include a smaller balance wheel than many historic movements and a small rotor hub with a slotted screw and five visible bearings. The balance is located at 1:30 when viewed from the back with the crown at 9:00, and is located by a clockwise cock. The chronograph functions use cams rather than the levers and column wheel found on many other movements.

ETA 7750 Variants

When the 7750 was re-introduced in 1985, a number of additional related movements were also created, including the 7751 and hand-winding versions. The line was refreshed in the early 2000s, with the hand-winding variants retired and new 7753 and 7754 added.

ETA later used the 7750 design for a family of larger Valgranges-branded movements. Many of these are time-only, though ETA also makes retrograde versions for Longines and a column wheel version for Omega.

The Sellita SW500 family is considered a clone of the ETA 7750.

ETA 7750 Family Movements

Hand WindingAutomatic
30 Minute and 12 Hour Chronograph
Day-Date		77607750
A05.H21
A07.211
30 Minute and 12 Hour Chronograph
Day, Month, Date by Pointer, Moon Phase		77617751
30 Minute and 12 Hour Chronograph
Chronograph Minutes moved to 3:00
Date		7753
A05.H31
A07.231
30 Minute and 12 Hour Chronograph
Adjustable 24 hour hand		7754
30 Minute Chronograph
Date		7765
30 Minute and 12 Hour Chronograph
Regatta Timer		7757
30 Minute Chronograph
Date with Moon Phase		77687758
Rattrapante7770
Calibre Start Year End Year Diameter (mm) Diameter (ligne) Height (mm) Complications
ETA 7750 1973 Current 30.00 13.25 7.90 2-Button, Cam Switching Chronograph, Chronograph, Date, Day, Hacking Seconds
ETA 7751 1986 Current 30.00 13.25 7.90 2-Button, 24 Hour Hand, Cam Switching Chronograph, Chronograph, Date, Date by Pointer, Day, GMT Hand, Hacking Seconds, Month, Moon Phase, Quick Date Correction
ETA 7753 2002 Current 30.00 13.25 7.90 2-Button, Cam Switching Chronograph, Chronograph, Date, Hacking Seconds, Quick Date Correction, Semi-Instantaneous Date Change
ETA 7754 2003 Current 30.00 13.25 7.90 2-Button, 24 Hour Hand, Cam Switching Chronograph, Chronograph, Date, GMT Hand, Quick Date Correction
ETA 7760 1985 2005 30.00 13.25 7.00 2-Button, Cam Switching Chronograph, Chronograph, Date, Day, Hand Winding, Quick Date Correction, Quick Day Correction
ETA 7761 1986 1998 30.00 13.25 7.00 2-Button, 24 Hour Hand, Cam Switching Chronograph, Chronograph, Date, Day, Day by Pointer, Hacking Seconds, Hand Winding, Modular, Month, Moon Phase, Quick Date Correction, Quick Day Correction
ETA 7765 1983 1998 30.00 13.25 6.35 2-Button, Cam Switching Chronograph, Chronograph, Date, Hand Winding, Quick Date Correction
ETA 7768 1985 1998 30.00 13.25 7.00 2-Button, Cam Switching Chronograph, Chronograph, Date, Hacking Seconds, Hand Winding, Moon Phase, Quick Date Correction
Valgranges A07.111 2004 Current 36.60 16.5 7.90 Date, Hacking Seconds, Quick Date Correction
Valgranges A07.161 2005 Current 36.60 16.5 7.90 Date, Power Reserve Indicator, Quick Date Correction
Valgranges A07.171 2006 Current 36.60 16.5 7.90 Date, GMT Hand, Hacking Seconds, Independently-Adjustable 24 Hour Hand, Quick Date Correction
Valgranges A07.211 2005 36.60 16.5 7.90 2-Button, Cam Switching Chronograph, Chronograph, Date, Hacking Seconds, Quick Date Correction