====== Grand Seiko Kodo Constant-force Tourbillon ======

{{wst>image_cr|Grand Seiko|Kodo Constant-force Tourbillon}}
{{wst>image_cr|Grand Seiko|Kodo Constant-force Tourbillon back}}

The **Kodo Constant-force Tourbillon** is a wristwatch from [[Grand Seiko]].

Presented in spring [[2022]] at the [[Watches & Wonders Geneva]], this limited edition model is Grand Seiko's first mechanical [[complication]] watch.

The innovative newly developed movement delivers a level of stable accuracy unprecedented for Grand Seiko by combining a [[tourbillon]] and a [[constant-force]] mechanism as one unit on a single axis for the very first time in horological history.

The watch is named Kodo, the Japanese word for heartbeat. The watch is available from in October 2022.

===== Data =====

<WRAP ud ud_mod>
**Reference:**
  * SLGT003

**Movement:**
  * [[Hand-wound]] [[manufacture caliber]] [[Seiko 9ST1]], ? A/h
  * [[Tourbillon]]
  * ? [[jewels]]
  * Power reserve 50 h	

**Case:**
  * Platinum 950 and Grand Seiko’s Brilliant Hard [[Titanium]]
  * Ø 50.6 mm, H 12.9 mm
  * Domed [[sapphire crystal]], anti-reflective coating inside
  * Transparent screwed case back	 
  * [[Waterproof]] to 10 atm
  * Magnetic resistance 4,800 A/m

**Dial:**
  * Open

**Functions:**
  * Hour, minute
  * [[Seconds]] via tourbillon

**Bracelet:**
  * Crocodile leather strap with [[deployment clasp]] or stainless steel bracelet

**Limitation:**
  * 20 pieces worldwide in 2 years

**Price:**
  * £309,360 (2022)
</WRAP>

===== Videos =====
  * [[https://www.youtube.com/watch?v=0LS5KEhm9gw|Grand Seiko Kodo Constant-force Tourbillon]], 2:30
  * [[https://www.youtube.com/watch?v=i5m2Dh6ayfo|Grand Seiko Kodo Constant-force Tourbillon Promotional Movie SLGT003]], 1:00
  * [[https://www.youtube.com/watch?v=bAGy6ckjUdc|Grand Seiko T0 Constant-force Tourbillon - in motion]], 4:41, 23.2.2021


{{tag>Watch_models Watches_with_tourbillon Grand_Seiko_models}}