<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
Under the Securities Exchange Act of 1934
(Amendment No. 2)
CIDCO, INC.
----------------------------------------------------------------------------
(Name of Issuer)
Common Stock
----------------------------------------------------------------------------
(Title of Class of Securities)
171768104
----------------------------------------------------------------------------
(CUSIP Number)
October 19, 1998
- ------------------------------------------------------------------------------
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
/ / Rule 13d-1(b)
/X/ Rule 13d-1(c)
/ / Rule 13d-1(d)
<PAGE>
1. Names of Reporting Persons. I.R.S.
Identification Nos. of above persons (entities only).
Arthur A. Watson, Jr.
- ------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group
(a) / /
(b) / /
- ------------------------------------------------------------------------------
3. SEC Use Only
- ------------------------------------------------------------------------------
4. Citizenship or Place of Organization
U.S
- ------------------------------------------------------------------------------
Number of 5. Sole Voting Power 1,205,500
Shares Bene-
fically by 6. Shared Voting Power 163,300
Owned by Each
Reporting 7. Sole Dispositive Power 1,205,500
Person With:
8. Shared Dispositive Power 233,200
- ------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person
1,438,700
- ------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (11) Excludes Certain Shares / /
- ------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row (9)
10.2
- ------------------------------------------------------------------------------
12. Type of Reporting Person (See Instructions)
IN
- ------------------------------------------------------------------------------
ITEM 1(a). Name of Issuer:
CIDCO, INC.
ITEM 1(b). Address of Issuer's Principal Executive Offices:
220 Cochrane Circle,
Morgan Hill, CA 95037
ITEM 2(a). Name of Person Filing:
Arthur A. Watson, Jr.
<PAGE>
ITEM 2(b). Address of Principal Business Office or, if none, Residence:
Burning Daylight Farm,
Free Union, Virginia 22940
ITEM 2(c). Citizenship:
U.S.
ITEM 2(d). Title of Class of Securities:
Common Stock
ITEM 2(e). CUSIP Number:
171768104
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT Sections 240.13d-1(b) OR
240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:
Not Applicable
ITEM 4. Ownership.
(a). Amount beneficially owned:
Incorporated by reference to item (9) on the attached cover
page(s).
(b). Percent of Class:
Incorporated by reference to item (11) on the attached cover
page(s).
(c). Number of shares as to which such person has:
(i). Sole power to vote or direct the vote:
Incorporated by reference to item (5) on the attached cover
page(s).
(ii). Shared power to vote or direct the vote:
Incorporated by reference to item (6) on the attached cover
page(s).
(iii). Sole power to dispose or direct the disposition of:
Incorporated by reference to item (7) on the attached cover
page(s).
(iv). Shared power to dispose or direct the disposition of:
Incorporated by reference to item (8) on the attached cover
page(s).
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
Not Applicable
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER
PERSON.
There are people other than the reporting person who are known
to have the right to receive or the power to direct the receipt
of dividends from, or the proceeds from the sale of, such
securities. Watson Strategic Investments, L.P. is the only
such person whose interest relates to more than five percent of
the class.
<PAGE>
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
COMPANY
Not Applicable
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not Applicable
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not Applicable
ITEM 10. Certification
By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were not acquired
and are not held for the purpose of or with the effect of
changing or influencing the control of the issuer of the
securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose
or effect.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this
statement is true, complete and correct.
Dated: October 29, 1998
By: /s/ Arthur A. Watson, Jr.
----------------------------------
Arthur A. Watson, Jr.