====== Fortis B-42 Diver Chronograph Alarm ======
{{wst>image_cr|Fortis|B-42 Diver Chronograph Alarm|Fortis B-42 Diver Chronograph Alarm, Chronometer, limited}}

**B-42 Diver Chronograph Alarm** is a [[dive watch]] by [[Fortis]].

This diver's chronograph in the series "B-42 Diver" is equipped with a [[self-winding]] movement and an [[alarm]] function.

The special series with blue silicone strap is limited to 100 pieces. Here the movement is [[chronometer]] certified and the scales of the [[totaliser]]s are highlighted in color.

<WRAP ud ud_mod>
**Reference:**
  * 641.10.92 Si 05 with blue silicone strap, certified [[chronometer]], limited to 100 pieces
  * 641.10.92 L with black leather strap
  * 641.10.92 M with brushed steel bracelet Professional
  * 641.10.92 K with black [[rubber]] strap

**Movement: **
  * [[Self-winding]] [[chronograph]] movement with integrated alarm function [[F2001-5]] (basis [[Valjoux 7750]]), 28,800 A/h
  * //Ref. 641.10.92 // [[chronometer]] ([[COSC]])
  * 32 [[jewels]]
  * [[Precision regulation]], [[Incabloc]] [[shock protection]], [[Nivarox hairspring]]
  * Decorated movement and [[rotor]] parts 
  * Power reserve 50 h

**Case:**
  * [[Stainless steel]], brushed
  * Ø 42.0 mm, H 15 mm
  * [[Sapphire crystal]] with [[anti-glare treatment]] on both sides
  * Unidirectional rotating black [[bezel]] (120 lines screening) with 60 minutes scale
  * Steel caseback, screwed with [[mineral glass]] window
  * Individual numbering
  * [[Waterproof]] to 200 m

**Dial:**
  * White
  * [[Blued]] and [[skeletonized]] hands
  * Indexes and hand tops with [[Superluminova]]

**Funktions:**
  * Hours, minutes, [[small seconds]], date
  * [[Hacking seconds]]
  * Chrono function, [[alarm]] function
  * Colored triangles at 3 o'clock to illustrate the crown direction of rotation for quick setting of all functions

**Bracelet: **
  * [[Rubber]] strap or reptile leather strap with [[tang-type buckle]] or [[stainless steel]] bracelet with [[folding clasp]]

**Warranty:**
  * 2 years
</WRAP>

===== Literature =====
  * [[Das ZEITGEFÜHL-Uhrenbuch]]; Author [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0


{{tag>Watch_models Chronographs Watches_with_alarm_function Dive_watches Fortis_models}}