«CURTA Kalender» Automatic stainless steel, limited edition

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Delivery Time 4 - 6 Business days

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The «CURTA Kalender» is limited to a total of 300 pieces and is available in three color variants (black 50 pieces, gold 50 pieces and stainless steel 150 pieces). Another highlight is the special packaging: the protective box of the CURTA calculating machine has been faithfully reproduced to store the CURTA watch. 


Download operation manual «CURTA Kalender» 

Description of the «CURTA Kalender»

The «CURTA Kalender» is an impressive successor model to the Curta Type 1 line. Limited to 150 pieces in stainless steel (with individual engraving). 

  • Swiss automatic movement Ronda R150, ø 11½ lines, 
    25 rubies, 28'800 A/h (4 Hz), 40 hrs. power reserve
  • Diameter: 42 mm (without crown), height: 12 mm
  • Case material: Stainless steel, with the CURTA engraving
  • Bezel with engraved calendar: Stainless steel, knurled, with three CURTA comma sliders
  • Bottom plate in stainless steel, CURTA engraving
  • Buckle: stainless steel, CURTA engraving
  • Crown: knurled, stainless steel, CURTA logo
  • Dial: black and silver, multi-layer construction of the dial with a special single-digit calendar, to recreate the style of the CURTA calculator. The 30th and 31st days are displayed as a red "0" and "1" for guidance.
  • Hands: CURTA special hour and minute hands displaying the clearing lever and the crank, the indication of the seconds by the rotating gear wheel in the center
  • Sapphire glass, scratch-proof
  • High-quality saddle leather strap, dark brown with white stitching 
  • 5 ATM
  • Original CURTA aluminum can silver, blue CURTA packaging, operating instruction, warranty card with serial number
  • 2 years warranty