I own an older Pulsar Quartz Alarm Chronograph watch. It has a rotating dial that has time, alarm set, 0, timer, stop w. around it. The number on the back is 640409. How do I set the time?

Check out the videos and articles. With my Seiko, you pull the crown to the first position and pushing the side buttons closest to the dial, advances with each press.

https://www.google.com/search?q=Setting+the+day+on+an+Orvis+Quartz+chronograph

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Question moved from Lands Phones category.

SEIKO - A158 5040

Digital Watch Library http://www.digitalwatchlibrary.com > DWL > seiko-a1...

SEIKO - A158 5040 - Digital. Released in 1978 Vintage Digital Watch - Brought to you courtesy of digital-watch.com.

SEIKO QUARTZ Cal. A159 Alarm Chronograph

My Retro Watches https://myretrowatches.co.uk > uploads > 2020/09
The A158 Alarm Chronograph model can be set to give a time signal ... QUARTZ. ALARM-CHRONOGRAPH. START/STOP. DATE/SELECT. STOP-ALARM. WATCH SET TIME SET LAP STOP ...
3 pages

Missing: 5040A ‎' Show results with: 5040A

Instruction ' Seiko Watch Corporation

SEIKO WATCH https://www.seikowatches.com > customerservice > ins...
Seiko is one of the few fully integrated watch manufactures. We design and develop our own movements using leading-edge technology.

Click on the crown (the stem in the middle on the right side). There are three settings, and one of them will change the minute hands' behavior to normal. You might also check out this guide:

http://c01.coacdn.com/calibers/H800_condensed.pdf

Could not find a download for instructions on this watch, but I did manage to find some basic instructions for the Sector brand. I hope this helps as this is the best I can come up with.
Good luck.
Sector Chronograph Watch Instructions

Most chronograph watches have screw-down crowns for water resistance. You must unscrew the watch crown before you can make any changes to the watch time. After time is set screw the crown back in. To utilize the chronograph dials, use the buttons on the side of the watch. One button will be for the second timer. Press once for the second hand to start timing. Press again to stop it. Another button will be to reset the second hand timer back to zero. Sector Chronograph watches may have different dial functions (see link in References).

Sector Dual-Time Watch Instructions

Because Sector watches are known for their sports capabilities, the Dual-Time watches have screw-down crowns. For Dual-Time timepieces, unscrew the crown counterclockwise. Pull the crown to middle position to set the date. Pull the crown out to its fully extended position and rotate it to set the day of the week, hour and time. Press and hold in the crown and turn clockwise to seal the crown back in to the watch.

Sector Ana-Digi Watch Instructions

Sector Ana-Digi timepieces have analog hands plus digital timekeeping functionality. To set the time, unscrew the crown counterclockwise and then clockwise to the appropriate time. The digital functionalities are programmed by the buttons on the side of the case. Depending on the style of the Sector watch, you can set the digital time with one button, set the date display, 1/100 seconds chronograph timer, altimeter, thermometer and alarm functions.

I answered this for different Fossil watch post, but I believe it will be the same for your watch.
I'll re-post the answer below.
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To set the alarm on these models of Pulsar watches, do the following:
Looking at the face of the watch, there are two buttons and a crown on the right side. The TOP button is Button "A". - The BOTTOM button is Button "B".
There are 3 positions on the crown: IN (#0), FIRST CLICK (#1) & SECOND CLICK (#2). 
The small dials located at the bottom of the watch face (6 O'clock) are the alarm minute and hour dials.

First, pull the crown out to the second 'click' (position #2) ... This is all the way out. (STOP THERE! Pulling harder will harm your watch! Don't try to pull past position #2!)
Second, set the correct time. (plus one or two minutes... time to complete this.)
Third, with the crown still out to position #2, push button "B" (bottom) until the alarm minute and hour hands are set to the present time (same as the large dials).
Fourth, push the crown all the way in- to position #0.
The current time on the large dial should read the same as the small alarm 'time'. {This is the CURRENT TIME, not the alarm SOUND SET.}
To set the alarm SOUND time, pull the crown out to the first click (position #1).
Push button "B" until the dials of the alarm are at the time you want the alarm to sound... It can only be set within 12 hours! ... It does NOT know "am or pm".
When the desired time is set for the "alarm sound", push the crown all the way in (position #0).
The alarm dials will now indicate the time for your alarm to sound, NOT the current time. (this way, you know that the alarm is engaged.)
To reset the alarm- or disable it, pull the crown out to the first click (position #1) and hold button "B" down until the dials advance and stop at the current time... it will stop at the current time- then release button "B". --- Push the crown back in (position #0) and the alarm will now be disabled.

If the alarm dials are always moving and at the current time, you know that the alarm is disabled.
If the alarm dials are stationary and not moving with the time, you know that the alarm is engaged and set to the time shown.

I hope this helps.

Pull out the time stem to the first notch. Use the bottom button or reset button to change the alarm.

the middle dial on the right side of the watch is used to switch from watch settings to alarm settings..
pull the middle dial out to put it in alarm mode.
To set alarm:
-pull the center knob out.
-with it out you can now use the bottom (right) knob to set the alarm.
-pull the bottom right knob out one notch
-turn the knob clockwise or counter clockwise to set the alarm time
-push the knob back in (all the way)

the alarm is now set

if the center (right) knob is pulled out the alarm is ON
if the center (right) knob is pushed in the alarm is OFF
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I have owned this watch for about 10 years now and love it.
the past few years the chronograph buttons (on the left side of the watch) were not working well rendering the chronograph and count down timer functions unusable.

repairing a chronographs is expensive and watch makers usually charge several hundred dollars which is not a feasible fee for a watch of this value so i decided to open it up my self and clean it up and that did the trick.. its working like new!

enjoy the watch!

see this page

http://www.fossilscandinavia.se/bruksanvisningar/Diesel%20Digitaler%202007.doc

OK YOU GO TO SET TIME BY PULLING OUT PIN TO SECOND CLICK OUT. THEN USE THE BOTTOM BUTTON TO SET THE ALARM DIAL TO THE SAME TIME AS THE MAIN WATCH HANDS. CLICK BACK IN ONE CLICK WINDER THEN USE THE BOTTOM BUTTON TO SET THE ALARM. CLICK WINDER BACK IN FULLY AND PRESTO YYOU HAVE IT.

Solution #3 (Posted by Guest on 5 Mar 08) is spot on. Quick and easy method to reset the chrono hands (it was not in my Seiko manual).
Interestingly, this can also be used to set the chrono ahead (or behind--with a little math) for offset timing measurements.