- Modified ETA 900 (ETA 930)
- 11.5 ligne
- 18,000 beats per hour
- 17 jewels
- Seen in 1950s Benrus day/date pointer
- ETA 2451 base (2452 w/date)
- 11.5 ligne
- 18,000 beats per hour
- 17 jewels
- Found in 1960s Benrus date model
-Subseconds
- 10.5 ligne
- 18,000 beats per hour
- 15, 17, and 21 jewel variants
- Found in 1942 Bulova
- 10.5 ligne
- 18,000 beats per hour
- 23 jewels
- Found in 1970 Bulova date model
- ETA 2872
- 11.5 ligne
- 28,800 beats per hour
- 17 jewels
- Seen in 1982 Bulova Super Seville
- 11.5 ligne
- 18,000 beats per hour
- 17 jewels
- Found in 1956 Bulova
- 11.5 ligne
- 18,000 beats per hour
- 17 & 23 jewel variants
- seen here in 17 jewel model circa 1966
- 11.5 ligne
- 18,000 beats per hour
- 17 jewels
- Seen in 1965 Bulova
- 11BL base caliber
- 11.5 ligne
- 18,000 beats per hour
- 17 & 23 jewel variants
- Seen in 17 jewel 1969 Oceanographer 'M'
- 12.5 ligne
- electronically controlled tuning fork
- 13 jewels
- Seen here is 1976 model
- A. Schild 1902 base caliber
- 11.5 ligne
- 21, 600 beats per hour
- 17, 21, 25 jewel variants
- Seen in a circa 1970 Elgin diver
- 11.5 ligne
- 28,800 beats per hour
- 17, 21, and 25 jewel variants
- Seen in circa 2015 Bulova (Citizen) A-15 re-edition
- Subseconds
- Previously Unitas 6498
- 16.5 ligne
- 18,000 beats per hour
- 17 jewels
- Handwind column wheel chronograph
- 17 jewels
- 3 subdials (up to 12hr record)
- Found in '70s Gallet MultiChron Pilot
- Subseconds
- 14/0 size
- 18,000 beats per hour
- 19 jewels
- Found in 1948 Hamilton Norman
- modified ETA 2452
- 11.5 ligne
- 18,000 beats per hour
- 17 & 21 jewel variants
-found in mid-1960s Accumatic A-506
- 18,000 beats per hour
- 17 jewels
- Found in circa 1956 Omega
- Subseconds
- 18,000 beats per hour
- 17 jewels
- Found in circa 1961 Omega
- Subseconds
- predecessor of ETA 6498
- 16.5 ligne
- 18,000 beats per hour
- 17 jewels
- Seen here marked "R. Pavot Watch Co."
- 14 ligne
-18,000 beats per hour
- 17 jewels
- Found in 1970's Aero Watch pocket watch
- 14 ligne
- 18,000 beats per hour
- 17 jewels
- Found in circa 1970 Wakmann
- A. Schild 1700 base caliber
- 11.5 ligne
- 18,000 beats per hour
- 100 jewels (83 on winding rotor)
- seen on 1960's Waltham Autochron