Background information The 7191 is the second Tanaka style LordMatic watch manufactured by the Suwa factory. The previous model 7190 had a monolithic case. The 7191 looks identical but uses a screw back case and has no parts in common. The design is similar to Tanaka style King Seikos of this period from Suwa, with an elegant dial and clean lines. Seiko offered the 7191 model from 1972 to 1974 in multiple variations.

Background information The Seiko LordMatic 5206-6130 appeared in the 1973 Seiko catalog. The watch exists in two variants: With a white (270) and with a dark (272) dial. Both of them use a stainless steel strap and cost 21.000 yen. To put he price into perspective, a LordMatic 5606-7190 cost 17.000 yen and a King Seiko 5226-6000 35.000 yen. The Daini factory manufactured the watch model from 1972 to 1973 .