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The Encyclopedia of Horology

Wristwatch · Wristwatch

A. Lange & Söhne Lange 1 Ref. 101.033

Partially verified

This A. Lange & Söhne Lange 1, reference 101.033, is an 18K pink gold gentleman's wristwatch dating to the 2000s. The watch features an off-center black solid silver dial with applied pink gold Roman numerals and indexes. It includes an oversized date aperture, a power-reserve indicator, and a subsidiary seconds dial. The movement is the manual-winding Calibre L 901.1, constructed from maillechort, and features 53 jewels with gold châtons, a swan-neck micrometer regulator, and a hand-engraved balance bridge. The watch is housed in a three-body, 38mm water-resistant case with curved lugs and a transparent sapphire case back secured by six screws. A push button on the case band serves for date adjustment. The watch is completed by an 18K pink gold deployant clasp and is accompanied by a fitted box and a certificate.

Front view of the A. Lange & Söhne Lange 1 wristwatch with black dial and pink gold case.
Front view of the A. Lange & Söhne Lange 1 wristwatch with black dial and pink gold case. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Wristwatch
Maker / attribution
A. Lange & Söhne
Reference
101.033
Catalogue / lot identifier
106
Source-reported date
2000s
Source-reported place
Germany

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Dial

The Lange 1 is housed in an 18K pink gold three-body case measuring 38 mm in diameter and 10 mm in thickness. The exterior features a polished and brushed finish with curved, straight lugs. A sapphire crystal protects the dial, while the reverse side incorporates a transparent sapphire case back secured by six screws. A dedicated push button is located on the case band to operate the date correction mechanism.

The solid silver dial is black and arranged with an off-center hour display, utilizing applied pink gold radial Roman numerals and indexes. The layout features an oversized date aperture positioned at 1 o'clock, a power-reserve indicator at 3 o'clock, and a subsidiary seconds dial at 5 o'clock. The hands are fashioned from pink gold in an alpha style.

Evidence for this section
  • “Three-body, solid, polished and brushed, transparent case back with 6 screws, curved straight lugs, push button on the band for the date correction, sapphire crystals.”
  • “Solid silver, black with off-center hour dial with applied pink gold radial Roman numerals and indexes, subsidiary seconds dial at 5, sector for the up-and-down indication at 3, oversized aperture for the date at 1. Pink gold ?alpha? hands.”

Movement and Construction

The movement powering this wristwatch is the manual-winding Calibre L 901.1. Constructed from maillechort, the movement comprises 53 jewels, including 9 set in screw-mounted gold châtons. The escapement is a straight-line lever system, paired with a monometallic balance adjusted to five positions. Technical features include a shock-absorber system and a self-compensating flat balance spring.

Regulation is handled by a swan-neck micrometer regulator. The aesthetics of the movement are marked by a hand-engraved balance bridge. The auction description reports that the dial, case, and movement are signed by A. Lange & Söhne.

Evidence for this section
  • “Cal. L 901.1, maillechort, 53 jewels including 9 in screw-mounted gold châtons, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating flat balance spring, ?swan-neck? micrometer regulator, hand-engraved balance bridge.”
  • “Dial, case and movement signed.”

Condition and Accessories

The auction description provides a detailed assessment of the watch's condition, noting the case as "Good" and the movement as "Very good". The dial is described as "As new". The overall grading for the lot is listed as "AA Very good" within the provided grading system. The hands are original to the timepiece.

The watch is offered with an 18K pink gold A. Lange & Söhne deployant clasp. Documentation and storage components included with the purchase consist of a fitted box and a certificate.

Evidence for this section
  • “Grading System Grade: AA Very good Case: 3 Good Movement: 2 Very good Dial: 1-01 As new HANDS Original”
  • “Accompanied by a fitted box and a certificate.”
  • “18K pink gold A. Lange & Söhne deployant clasp.”

Open research questions

  • What is the specific year of production for this Ref. 101.033?
  • Does the current certificate match the original retail documentation for this specific movement serial number?

Source evidence

Recorded claims and source quotations for A. Lange & Söhne Lange 1 Ref. 101.033
FieldSource-reported valueSource quotation
MakerA. Lange & Söhne“A. Lange & Söhne”
Reference101.033“Ref. 101.033”
Date2000s“Made in the 2000s”
Material18K pink gold“18K pink gold gentleman's wristwatch”
MovementCalibre L 901.1“Cal. L 901.1”
Case dimensions38 mm diameter, 10 mm thickness“Diam. 38 mm. Thickness 10 mm.”
Dial materialSolid silver“Solid silver”

Visible details

  • Off-center dial configuration with oversized date aperture
  • Pink gold alpha hands
  • Transparent case back secured by six screws
  • Push button on case band for date correction

Research qualifications

  • Condition grading indicates minor variance between components
  • No specific year of manufacture provided within the 2000s decade

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

'Lange 1' A. Lange & Söhne, Glashütte i. SA, 'Lange 1', Ref. 101.033. Made in the 2000s. Very fine, water-resistant, 18K pink gold gentleman's wristwatch with off-center hour dial, oversized date, power-reserve and an 18K pink gold A. Lange & Söhne deployant clasp. Accompanied by a fitted box and a certificate.

Reviewed 2026-10-26 · Record 60bb0d0550

Terms in this record

Glossary explanations for terms named in this object’s record.

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