• Polished finished 18kt rose gold case.
• Flat silver main dial with slightly recessed sub-dials finished with a very fine concentric circle pattern texture.
• Black painted Arabic Numeral hour markers.
• Fine black printed minute/seconds & fractions of a second track.
• Time & calendar related hands are polished rose gold .
• Blued steel chronograph related hands.
• Small seconds sub-dial located at the 6 o'clock position.
• Perpetual Calendar features:
• Day of the week at the center of the 9 o'clock sub-dial.
• Date of the month indicated on the perimeter of the 9 o'clock sub-dial.
• Month indicated on the perimeter of the 3 o'clock sub-dial.
• Leap year indicator  at the center of the 3 o'clock sub-dial. During a leap year the watch will accurately account for the shorter (28 days) February month.
• Moonphase window displayed at the center of the seconds sub-dial at the 6 o'clock position.
• Rattrapante/Split Seconds Chronograph/Stopwatch:
• "Split-Seconds" or "Rattrapante" function has 2 seconds hand counters that run in unison - when the Rattrapante button (located on the case edge at the 10 o'clock position) is pressed the top seconds hand (in this case the blued steel hand) stops, but an additional seconds hand hidden directly beneath the top hand (in this case a polished rose gold hand) will continue to run allowing for an addition timing function.
• Polished blued steel central seconds counter with red tip.
• Polished rose gold Rattrapante seconds hand directly beneath.
• 30 minute counter indicated on the perimeter of the 12 o'clock sub-dial.
• Power Reserve Indicator:
• AUF/AB (Up/Down) power reserve indicator located at the center of the 12 o'clock sub-dial with a polished rose gold hand.
• A. Lange & Sohne Caliber L101.1, beats at 21,600 vph, composed out of 631 parts, contains 43 Jewels & has an approximate power reserve of 42 hours.
• Movement bridges & plates are finely finished with striped/ribbed finish and polished beveled edges. The balance-cock is hand engraved making each watch unique.

Alternate model # 421032