11 1/2”’ | Automatic | Swiss Lever | Direct Sweeping Seconds | Date | Day

Remarks:

• Seconds with hacking (optional)
• Date and day with quick-setting
• Day indicator with 2 languages
• Rotor with ball bearings
• Available in different qualities:
  • Standard: gold-plated nickel balance wheel, Nivarox 2 hairspring, Etachocs, regulated in 2 positions, middle rate: 12 +/- 12 s/d
  • Elaboré: gold-plated nickel balance wheel, Nivarox 2 hairspring, Etachocs, regulated in 3 positions, middle rate: 7 +/- 7 s/d
  • Top: Glucydur balance wheel, Anachron hairspring, Incabloc, regulated in 5 positions, middle rate: 4 +/- 4 s/d
  • Chronomètre: like Top, but middle rate, max. divergence and isochronism according to COSC criteria, consecutive serial numbers
• Movement family:
  • ETA 2801-2: 11 1/2”’, Hand winding, no date
  • ETA 2804-2: 11 1/2”’, Hand winding, date
  • ETA 2821-2: 11 1/2”’, Automatic, no date
  • ETA 2824-2: 11 1/2”’, Automatic, date
  • ETA 2826-2: 11 1/2”’, Automatic, big date
  • ETA 2834-2: 13”’, Automatic, date, day
  • ETA 2836-2: 11 1/2”’, Automatic, date, day
• Movements with the suffix -1 instead of -2, or without suffix, are older variants

• Listing ID: 6981
• Manufacturer / Brand: ETA
• Caliber: 2836-2
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: Date & Day
• Jewels: 17, 21, 25
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: Etachocs/Novodiac, Incabloc and others
• Beats per hour: 28,800
• Balance Type: Glucydur, Nickel
• Power Reserve: 38 hours
• Production Period: 1982+
• Identification: Movement marked with ETA logo and 2836-2 next to balance wheel. Original datasheet available.
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)