Top to bottom
(thanks to help from the missus)
1. ICHI (1) GOU KAN SEI SHIDOUKI (ごうかんせい しどうき) HIDARI (LEFT)
2. KATASHIKI BANGOU (かたしき ばんごう) MODEL NUMBER
3. ??? (pending)
4. TOKYO KEIKI SEISAKUJO (SEIZOU - means "Made") (とうきょう けいき せいさくじょ {せいぞう}) Made by TOKYO INSTRUMENT/GUAGE(?) MANUFACTURING COMPANY
5. SHOWA NEN GETSU (しよわ ねん げつ) SHOWA (Hiroto's reign Year Month)
6. SEIHIN BANGOU (せいひん ばんごう) SERIAL NUMBER
The company may still be around
http://www.tokyo-keiki.co.jp/e/index.html