These are lesser known SARB models from the 2000's discontinued after a short few years of production and were the predecessors to the more common SARB033/035 variants.
Royal Orient was established in 1958 for the JDM Market to cater to the luxury category of Orients just as Seiko established GS & Credor for their higher end watches.
The contrasting details & minute elements on the dial gel together to create an excellent chronograph watch that looks many times more than its value.
Otsuka Lotec no.6 by Jiro Katayama, a watchmaker from Japan who has received the "現代の名工" = "Contemporary Master Craftsman recognition" from Japans labor ministry and the winner of one of watchmakings most prestigious GPHG award in Geneva through this Otsuka Lotec no.6 model.