The Kephalos model’s other functions truly deserve being called
"complications,” among which is Martin Braun’s first annual calendar -
one that features a retrograde date.
An annual calendar describes a mechanism that automatically takes into
account
the length of the month, even moving to the next after a shorter
30-day month without having to manually correct the window to reach the
“1” of the next month. It is only on March 1 that one must correct the date
after February is over. However, during the
leap year—which occurs every
four years—the system does automatically correct the date, meaning that
the wearer only has to correct February on this watch three times
in a
four-year period.
One of the Kephalos system’s useful new features includes an indicator
that displays whether the moon is moving toward full or new moon.

The retrograde date was designed so that the hand never covers the
moon
phase display, providing perfect legibility of the state of the earth’s
satellite.
The Kephalos also debuts Martin Braun’s new case. An impressive 44 mm
in diameter, it represents a striking evolution of the typical coin-edge
Martin Braun
case. The coin-edge design has been adapted to the larger
case diameter, providing the case with a fresh, modern look. The real
design progress here can be found in
the lugs, coupled with a new shape
and a completely new finish on the side with lavishly deepened surfaces
that are incredibly difficult to manufacture and provide with an exclusive
finish uniting matte and polished facets. The design of the case
back is
also completely new. With last year’s Selene and Falcon Claw models,
Martin Braun introduced a case back located underneath the crystal that
included
an asymmetric exhibition window designed to reveal the beauty
of the movement.
The new case back also does not hide the wonderful mechanics found in
Caliber
MAB 88, but the engraved name of the company can now also be
found underneath the crystal, forever protected from any signs of wear
and tear.
Another case innovation can be found in the lugs, where there is now a
screw
gripping the movement holder inside the case. This safety system
avoids shifting
inside the movement should the watch be subjected to
shock and guarantees that
the system can be perfectly centered during
assembly. Gaskets underneath the
screws also guarantee that the case is
water-resistant to a minimum of 50 meters.
Like on all Martin Braun cases,
the bezel is screwed down to preventing it coming
off by accident should
the watch be subjected to rougher treatment.
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