====== Omega Speedmaster Day-Date ======
{{wst>image_cr|Omega|Speedmaster Day-Date}}

{{wst>image_cr|Omega|Speedmaster Day-Date Gelbgold|Omega Speedmaster Day-Date [[yellow gold]]}}

**Speedmaster Day-Date** is a [[chronograph]] by [[Omega]].

Variant of the Omega classic [[Omega Speedmaster Professional|Speedmaster Professional ("Moon Watch")]], here with day of week and date indication (the latter as [[hand date]]). Next it has, in contrast to the classic model, a [[self-winding]] movement [[Omega 3606]], which is based on the well-known ETA calibre [[Valjoux 7751]]. It also has a [[sapphire crystal]] and is [[waterproof]] to 10 atm.


<WRAP ud ud_mod>

**Reference:**
  * 3220.50.00 stainless steel, black, [[stainless steel]] bracelet
  * 3222.80.00 stainless steel, blue, [[stainless steel]] bracelet
  * 3221.30.00 stainless steel, silber, [[stainless steel]] bracelet
  * 323.50.40.44.01.001 [[red gold]], black, gold bracelet
  * 323.53.40.44.01.001 [[red gold]], black, leather strap
  * 323.50.40.44.02.001 [[yellow gold]], white, gold bracelet
  * 323.53.40.44.02.001 [[yellow gold]], white, leather strap
  * 323.21.40.44.01.001 steel/red gold, black, [[stainless steel]] bracelet
  * 323.21.40.44.02.001 [[steel]]/[[yellow gold]], white, [[stainless steel]] bracelet

**Movement:**
  * [[Self-winding]] [[chronograph]] movement [[Omega 3606]] (basis ETA-[[Valjoux 7751]]), 28,800 A/h
  * [[Rhodinated]] movement
  * Power reserve 44 h

**Case:**
  * [[Stainless steel]], polished/[[satin-finished]] / [[red gold]] / [[yellow gold]]
  * D 40 mm, H 15 mm 
  * [[Domed]] [[sapphire crystal]] with [[anti-glare treatment]]
  * [[Waterproof]] to 100 m

**Dial:**
  * Black /blue / white / silber
  * Hands and indexes with [[luminous]] material

**Functions:**
  * Hours, minutes, [[small seconds]]
  * Day of week and date (the latter as [[hand date]])
  * Chrono-seconds, 30-minutes and 12-hours counters
  * [[Tachymeter]] scale

**Bracelet:**
  * [[Stainless steel]] bracelet with [[folding clasp]] / reptile leather strap
</WRAP>
===== Literature =====
  *Omega-Uhren. Kaleidoskop einer bekannten Swiss Marke; Author Anton Kreuzer; ISBN 3853783546
  *Omega-Modelle; Author Anton Kreuzer; ISBN 3853784186
  *Omega Sportuhren; ISBN 3871880817
  *[[Das ZEITGEFÜHL-Uhrenbuch]]; Author [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0


{{tag>Watch_models Chronographs Omega_models}}