ETA 2688

	Brand:	ETA
	Family:	ETA 2600 Family
	Height:	5.35 mm
	Jewels:	17
	Reserve:	hours
	Frequency:	21,600 A/h
	Winding:	Automatic, Central Rotor Automatic Winding
	Diameter:	19.40 mm (8.75 ligne)
Image from TimeConnection.com	Complications:	Date, Day, Hacking Seconds, Instant Date Change, Instant Day Change, Quick Date Correction
	Hands:	Central Hour Hand, Central Minute Hand, Central Seconds Hand, Date Window at 3:00, Day Window at 3:00

Distinguishing Technical Characteristics
Central-Rotor Automatic Etachron Regulator Balance Balance at 10:30 Central Rotor
Production: 1981 – 2001
1910s	1920s	1930s	1940s	1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s

Cal. 2688 is part of ETA’s regular “Mecaline” line. It was introduced in 1981 and produced through 2001.

ETA produced a variety of movements in the 2600 family since the 1970s. This includes both automatic and hand-winding variants, 7.75 and 8.75 ligne sizes, and 21,600 A/h and 28,800 A/h versions. In the table below, 8.75 ligne movements are denoted with an asterisk and currently-produced movements in bold.

Ranfft Pink Pages

Manufacturer Link