I have two 1" tv sets in the collection, one Sinclair, and one Panasonic Travelvision.
Panasonic Travelvision
This youtube video shows a panasonic like the one I have.
1982 Panasonic Travelvision
Sinclair TV
A bit of information from another site.
Radiomuseum.org
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Model: Micro Vision MTV1 MTV1A - Sinclair Radionics Ltd. 
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Modern plastics (no Bakelite or Catalin) 
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Very small Portable or Pocket Set (Handheld) < 8 inch.  
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Sinclair MTV1 (MTV1A); 
First European pocket b/w TV set, 2" Telefunken CRT; 
Multistandard electronic VHF-/UHF tuner with standards CCIR B/C/G/M-(USA)/I-(UK);  
Built in accucells + extern 6 V/12 V. Telescopic antenna and UHF dipol. 
There were a sticker with FTZ number and 
"MTV1A" type in german language on MTV1 labeled units - technical 
differences unknown (probably disconnected ext. antenna in?).  
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Price first year of sale  $400.00
