====== Ebel 1911 BTR Automatic Perpetual Calendar Chronograph ======
{{wst>image_cr|Ebel|1911 BTR Automatik Chronograph Ewiger Kalender|Ebel 1911 BTR Automatic Perpetual Calendar Chronograph}}

**1911 BTR Automatic Perpetual Calendar Chronograph** is a wristwatch by [[Ebel]].

Luxury model from the men's collection [[Ebel 1911 BTR]] a [[chronograph]] with the [[complication]] of a [[perpetual calendar]], which is highly esteemed by connoisseurs.

The high-precision astronomical [[moon phase]] works far more accurately than conventional [[moon phase]] indicators A deviation of one day arises only after 122 years, while it occurs at a standard [[moon phase]] after just over 2 1/2 years. The functions of the perpetual calendar are set using four correctors at the sides of the housing. They can be operated with a special pen.

The watch is available in three limited editions stainless steel, 18ct [[rose gold]] or 18ct [[white gold]].


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**Movement:**
  * Ebel [[manufacture]] calibre 288, 28,800 A/h
  * [[Self-winding]] [[chronograph]] movement, [[perpetual calendar]]
  * [[COSC]] certified [[chronometer]]
  * Bi-directional winding ball-bearing [[rotor]]
  * 27 [[jewels]]
  * 436 components
  * Power reserve 48 h

**Case:**
  * [[Stainless steel]], 18ct [[rose gold]] or 18ct [[white gold]]
  * Ø 44.5 mm, height ? mm
  * [[Domed]] [[sapphire crystal]] with [[anti-glare treatment]] on both sides
  * [[Sapphire crystal]] caseback
  * Pushers and [[bezel]] in black [[rubber]]
  * [[Waterproof]] to 100 m

**Dial:**
  * Silvered (oder black) dial and subdials with [[Clous de Paris]] decor
  * 11 hand-applied indexes with [[Superluminova]]

**Functions:**
  * Hours, minutes, seconds, date
  * [[Perpetual calendar]], [[moon phase]]
  * Chrono seconds
  * Rapid calendar advance
  * [[Tachymeter]] scale

**Bracelet:**
  * Hand-sewn brown Alligator leather strap with safety [[folding clasp]]
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{{tag>Watch_models Chronographs Watches_with_perpetual_calendar Watches_with_moon_phase Ebel_models}}