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TIME COMPUTER/ CALCULATOR (901)

Specifications
- Displays hour, minute, second, month, date, has AM/PM indicators for resetting
- Add, subtract, multiply and divide
- Memory add or subtract, percent and floating decimal
- Six digit display computes answers to 12 places
- Accurate to within 60 seconds a year
- "Smart Calendar" adjusts automatically for 29, 30 and 31-day months
- Water-resistant (Not intended for underwater use)
- Shock resistant
- Mineralite time screen
- Auto/Set (Key and Stylus)
Battery Requirements
- Four Ray-O-Vac RW-42 power cells which can be installed by a jeweler.

Product Information
The Pulsar wrist calculator models were introduced to the market in the fall of 1975. They contained a custom designed computer module which utilizes large scale integrated circuits.

Model Numbers:
# 3822-2 Stainless Steel/Bracelet
# 5822-2 14kt Gold-
filled/Bracelet
# 1822-2 18kt Gold/Bracelet
 

TIME COMPUTER/ CALCULATOR (902)
Specifications
- Displays hour, minute, second, month, date and day of week
- Add, subtract, multiply and divide, percentage
- Memory add or subtract, percent and floating decimal
- Six digit display, 12 digit calculating capacity
- Accurate to within 60 seconds a year
- "Smart Calendar" adjusts automatically for 29, 30 and 31-day months
- Auto/Command
- Auto/Set
- Calculator mode indicator light
- Water-resistant (Not intended for underwater use)
- Shock resistant
- Mineralite time screen

Battery Requirements
- Four Ray-O-Vac RW-42 power cells which can be intalledby a jeweler.

Product Information
The 902 Calculator modules was introduced in Spring 1977, on a limited "phase in" basis in solid 18kt gold case only. By mid-year, the 902 module would replace the 901in all new production of other case qualities.

Model Numbers:
# 3822-2 Stainless Steel/ Bracelet
# 5822-2 14kt Gold-Filled/ Bracelet
# 1823-2 18kt Gold/Bracelet
 
Note:
Models with the 902 modules can be identified by the key locations. In contrast with the 901 models the "R" and "S" keys as well as the "=" and the "C" keys, have been transposed.



# 3822-2 / # 5822-2
Pictures: Pulsar Catalogue


# 5822-2
Picture: Guy Ball

# 1822-2


# 3822-2
Picture: Carlo Di Persio


# 1823-2


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