The Glashütte Original Senator Perpetual perpetual calendar watch has a lot of buttons, they are cleverly set at 2 o’clock (calibration month), 10 o’clock (calibration week), 9 o’clock (calibration month Phase), 8 o’clock position (correction date, day of the week, month and year), and 7 o’clock position (second hand reset function), respectively on the sides of the case.
This watch is available in two versions. One (Ref. 100-02-25-05-05) with a black Louisiana crocodile leather strap, and the other (Ref. 100-02-25-05-04) with a more sporty black rubber watch band.
Movement: GO caliber 100-02 automatic movement, thickness 7.10 mm, diameter 31.15 mm, Nivarox spring leaf, independently developed, made in Germany.
Movement decoration: Glashütte corrugated three-quarter splint, hollow G-striped rotor, 21K gold automatic disc, 18K gold weighted screw balance
Frequency: 28,800 times
Functions: hour, minute, second, date (full date display), week, month, perpetual calendar, moon phase
Kinetic energy: 55 hours
Case: Pure gold, 42 mm
Water resistance: 50 meters
Strap: Black Louisiana crocodile leather (reference 100-02-25-05-05) or black rubber strap (reference 100-02-25-05-04). Mirror: sapphire crystal, anti-reflective on both sides.