Cal. GUB 39 automatic movement, 48 jewels, 21k gold rimmed rotor with GG motif, two-tone silvered matte dial, applied dagger numerals, two apertures for day and month in English, small circular aperture for leap year indication, eccentric oversize date display, eccentric fan-form sector for phases of the moon, large rectangular-shaped water-resistant-type case, sapphire crystal display back secured by eight screws, stainless steel Glashütte Original double deployant clasp, case, dial, and movement signed 45mm overall length.