====== Fortis B-42 Marinemaster Chronograph ======
{{wst>image_cr|Fortis|B-42 Marinemaster Chronograph}}

**B-42 Marinemaster Chronograph** is a wristwatch by [[Fortis]].

[[Automatic]] [[dive watch|diver]] [[chronograph]] in the series "B-42 Marinemaster" with the large 42 mm [[stainless steel]] case. Indication of day of the week and date.


<WRAP ud ud_mod>

**Reference:**
  * 647.10.41 K with [[rubber]] strap
  * 647.10.41 L with leather strap
  * 638.10.41 M with steel bracelet Professional

**Movement: **
  * [[Self-winding]] [[chronograph]] movement [[Valjoux 7750]], 28,800 A/h
  * 25 [[jewels]]
  * [[Precision regulation]], [[Incabloc]] [[shock protection]]
  * Power reserve 50 h

**Case:**
  * [[Stainless steel]], brushed
  * Ø 42.0 mm, H ? mm
  * [[Sapphire crystal]]
  * Unidirectional rotating black [[bezel]] (120 lines screening) with 60 minutes scale
  * Raised dial with [[tachymeter]] scale
  * Screwed steel caseback
  * Caseback embossing with ISS-Station, with the official emblems of the Space Agency FSA and the Cosmonauts Training Center //Star City//
  * Individual numbering
  * [[Waterproof]] to 200 m

**Dial:**
  * Black mat
  * Big Arabic numerals and broad indexes
  * Numerals, indexes and hands with [[luminous coating]] [[Superluminova]]
  * Blue afterglow in the darkness
  * Chrono minutes counter recessed and multicolored, stop seconds hand orange with Superluminova luminous dot

**Functions:**
  * Hours, minutes, [[central seconds]]
  * Day of week, date
  * [[Hacking seconds]]
  * [[Chronograph]]
  * Triangles at 3 o'clock to illustrate the direction of crown rotation for quick setting of all functions

**Bracelet: **
  * [[Stainless steel]] bracelet with [[folding clasp]]
  * Optional leather strap black with [[tang-type buckle]] or [[folding clasp]] / [[rubber]] strap with [[folding clasp]]

**Warranty:**
  * 2 years
</WRAP>
===== Literature =====
  * [[Das ZEITGEFÜHL-Uhrenbuch]]; Author [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0


{{tag>Watch_models Chronographs Fortis_models}}