====== Sinn 155 S Revolution II ======

{{wst>image_cr|Sinn|155 S Revolution II}}

The **155 S Revolution II** is a [[chronograph]] by [[Sinn]].

Developed in collaboration with the watch magazine REVOLUTION, this [[pilot’s watch]] was designed based on the [[Sinn 155|155]] model series. The dial is adorned with a subtle “Revolution Star” featuring black luminescent material.

<WRAP ud ud_mod>
**Movement:**
  * [[Automatic]] [[chronograph]] movement [[SW 510]], 28,800 vph (4 Hz)
  * 27 [[jewels]]
  * [[Stop-seconds]]

**Case:**
  * [[Stainless steel]], [[pearl-blasted]]
  * Black hard-coating on a tegimented base
  * Ø 43 mm, thickness 14.7 mm
  * Bidirectional pilot’s bezel with minute scale
  * [[Sapphire crystal]], [[anti-reflective]] on both sides
  * Screw-down case back
  * [[Water-resistant]] and pressure-resistant up to 10 atm
  * Vacuum-resistant

**Dial:**
  * Matte black
  * Hour markers and hands coated with a special long-lasting luminescent paint

**Functions:**
  * Hours, minutes, [[small seconds]]
  * Chronograph: [[Bicompax]] display with small, co-rotating seconds hand and 30-minute counter, as well as a [[stop-seconds]] hand from the center

**Strap:**
  * Double case with a black cowhide leather base strap featuring an embossed BUND supply number and a black textile strap, strap-changing tool, spare spring bars, and brochure

**Warranty:**
  * 2 years

**Limited edition:**
  * 300 pieces

**Price:**
  * €3,750 (2026)
</WRAP>

{{tag>Watch_Models Automatic Chronographs Sinn_Models}}