<SEC-DOCUMENT>0001127602-19-008245.txt : 20190226
<SEC-HEADER>0001127602-19-008245.hdr.sgml : 20190226
<ACCEPTANCE-DATETIME>20190226065906
ACCESSION NUMBER:		0001127602-19-008245
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190222
FILED AS OF DATE:		20190226
DATE AS OF CHANGE:		20190226

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Biddlecombe Sean
		CENTRAL INDEX KEY:			0001483374

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31983
		FILM NUMBER:		19631600

	MAIL ADDRESS:	
		STREET 1:		LIBERTY HOUSE
		STREET 2:		HOUNSDOWN BUSINESS PARK
		CITY:			SOUTHAMPTON
		STATE:			X0
		ZIP:			SO40 9LR

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GARMIN LTD
		CENTRAL INDEX KEY:			0001121788
		STANDARD INDUSTRIAL CLASSIFICATION:	SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL SYS [3812]
		IRS NUMBER:				980229227
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1229

	BUSINESS ADDRESS:	
		STREET 1:		MUHLENTALSTRASSE 2
		CITY:			SCHAFFHAUSEN
		STATE:			V8
		ZIP:			CH-8200
		BUSINESS PHONE:		41 52 630 1600

	MAIL ADDRESS:	
		STREET 1:		MUHLENTALSTRASSE 2
		CITY:			SCHAFFHAUSEN
		STATE:			V8
		ZIP:			CH-8200
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-02-22</periodOfReport>

    <issuer>
        <issuerCik>0001121788</issuerCik>
        <issuerName>GARMIN LTD</issuerName>
        <issuerTradingSymbol>GRMN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001483374</rptOwnerCik>
            <rptOwnerName>Biddlecombe Sean</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>LIBERTY HOUSE</rptOwnerStreet1>
            <rptOwnerStreet2>HOUNSDOWN BUSINESS PARK</rptOwnerStreet2>
            <rptOwnerCity>SOUTHAMPTON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>SO409LR</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Managing Director, EMEA</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Registered Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2019-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>83.5109</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8305</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Registered Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2019-02-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1776</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10081</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Registered Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2019-02-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>654</value>
                    <footnoteId id="F5"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>83.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9427</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple trades at prices ranging from $83.476 to $83.536. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Garmin Ltd. or a security holder of Garmin Ltd. full information regarding the number of shares sold at each separate price within the range.</footnote>
        <footnote id="F2">Includes 3,648 unvested shares acquired pursuant to previously granted restricted stock unit awards.</footnote>
        <footnote id="F3">Shares acquired pursuant to a restricted stock units award granted in February 2018 that had both performance-based and time-based vesting conditions. The performance-based vesting conditions have been satisfied, and now the award is subject only to time-based vesting conditions. The award vests in three equal annual installments beginning on February 25, 2019.</footnote>
        <footnote id="F4">Includes 3,648 unvested shares acquired pursuant to previously granted restricted stock unit awards and the 1,776 unvested shares acquired pursuant to the restricted stock units award described in Footnote 3.</footnote>
        <footnote id="F5">592 shares that were acquired by the reporting person pursuant to the restricted stock units award described in Footnote 3 and 797 shares that were acquired by the reporting person pursuant to other previously granted restricted stock unit awards vested and were paid to the reporting person. Of these shares, 654 shares were withheld to pay a resulting tax liability.</footnote>
        <footnote id="F6">Includes 2,851 unvested shares acquired pursuant to previously granted restricted stock units awards and 1,184 remaining unvested shares acquired pursuant to the restricted stock units award described in Footnote 3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By Andrew R. Etkind, Attorney-in-Fact</signatureName>
        <signatureDate>2019-02-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
