Sinon, c'est pas pour me vanter, mais mon K1000, il a :
Model: K1000
Color of faux leather: Brown (dark)
Serial number: 7521534
Location of serial number: Top plate engraved
Asahi Optical logo on prism housing: Yes
Asahi name above Pentax name on prism housing: Yes
Asahi Opt. Co. engraved on back side of top cover: Yes
"Bump" on top plate near revind crank: Yes
Top plate: Metal
Bottom plate: Metal
Battery cover: Threads
Manufactured/assembled in: Japan
Location of manufacturing/assembling information: Top plate engraved next to Asahi Opt. Co.
Focusing screen: Microprism
Weight (without batteries and body cap) (if you know): I dunno
Year of original purchase (if you know): I dunno
Bref, c'est un des premiers construits, un K1000 "japonais".