A Thomas Mercer model B-1390 400 day quartz crystal controlled chronometer.

OSCILLOQUARTZ S.A CIRCA 1970

細節
A Thomas Mercer model B-1390 400 day quartz crystal controlled chronometer.
Oscilloquartz S.A circa 1970
The painted white dial signed Oscillaquartz S.A with Arabic hour numerals, black hour, minute and centre second sweep hands, FAST and STOP reset buttons (at V and VII), in rectangular satin finish metal case with battery container in box.
57 mm. dial diam., metal case 136 mm. wide

拍品專文

The movement was developed by Mercer's in collaboration with the Oscilloquartz Divison of Ebauch S.A at Switzerland. It was chosen by the Cunard Steamship Company for the liner Queen Elizabeth II