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The Encyclopedia of Horology

Wristwatch · Dual time wristwatch

Glycine Airman wristwatch

Partially verified

This Glycine Airman wristwatch, dated by the auction house to circa 1967, features a stainless steel case measuring approximately 36 mm in diameter. It is fitted with a lockable rotating 24-hour bezel secured by a secondary crown located at the lower right case flank. The black dial presents Arabic numerals configured for a 24-hour display, accompanied by a magnified date aperture at the 3 o'clock position and central seconds. According to source details, it is powered by a 25-jewel automatic movement based on caliber AS1700/01 with a lever escapement and screw-down balance, and the case back has been re-polished.

Front view of Glycine Airman wristwatch with black 24-hour dial and lockable bezel
Front view of Glycine Airman wristwatch with black 24-hour dial and lockable bezel — Dorotheum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.dorotheum.com
Category
Wristwatch · Dual time wristwatch
Maker / attribution
Glycine
Reference
Not recorded
Catalogue / lot identifier
10078660
Source-reported date
circa 1967
Country
Switzerland
Source-reported serial
870191

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

Identity and Case Construction

Described by Dorotheum as a wristwatch with a 24-hour display and second time zone dating to circa 1967, this Glycine Airman is housed in a stainless steel case measuring approximately 36 mm in diameter. It is catalogued under serial number 870191 and features a lockable rotating bezel.

Observation of the watch shows dual crowns positioned along the right flank, including a lower crown dedicated to the bezel locking mechanism. The watch is presented fitted to a black leather strap.

Evidence for this section
  • “Wristwatch with 24-hour display and second time zone, circa 1967 watch case: Stainless steel, serial number 870191, lockable rotating bezel, diameter approx. 36 mm”
  • “Dual crowns on the right flank, including the lower bezel locking mechanism”
  • “Fitted to a black leather strap”

Dial and Indication Layout

The black dial displays an Arabic numeral scale arranged for 24-hour timekeeping, accompanied by central seconds and a broad arrow hour hand. A magnified date aperture is located at the 3 o'clock hour marker.

Dorotheum's listing details the dial configuration as including a GMT hand, date, and central seconds alongside the 24-hour display.

Evidence for this section
  • “Black dial with 24-hour Arabic numeral scale and broad arrow hour hand”
  • “Magnified date aperture positioned at the 3 o'clock hour marker”
  • “dial: Black, Arabic numerals, 24-hour display, GMT hand, date, central seconds”

Reported Movement and Condition

The internal mechanism is not visible in the available photograph and is reported solely by the auction house. Dorotheum describes the movement as automatic with a lever escapement, 25 jewels, a screw-down balance, and base caliber AS1700/01.

A condition note from the specialist records that the case back has been re-polished. Further internal or reverse markings are not recorded in this source.

Evidence for this section
  • “movement: Automatic, lever escapement, base caliber AS1700/01, screw-down balance, 25 jewels”
  • “Case back re-polished”

Open research questions

  • Does the re-polished case back retain visible reference markings or Glycine engravings alongside serial number 870191?
  • Can physical inspection of the movement verify the AS1700/01 base caliber markings, jewel count, and rotor signature?

Source evidence

Recorded claims and source quotations for Glycine Airman wristwatch
FieldSource-reported valueSource quotation
Case materialStainless steel“watch case: Stainless steel”
Serial number870191“serial number 870191”
BezelLockable rotating bezel“lockable rotating bezel”
Diameterapprox. 36 mm“diameter approx. 36 mm”
Base caliberAS1700/01“base caliber AS1700/01”
Jewels25 jewels“25 jewels”
Condition noteCase back re-polished“Case back re-polished”
Balance typeScrew-down balance“screw-down balance”
Reported dial elementsGMT hand, date, central seconds“GMT hand, date, central seconds”

Visible details

  • Black dial with 24-hour Arabic numeral scale and broad arrow hour hand
  • Magnified date aperture positioned at the 3 o'clock hour marker
  • Dual crowns on the right flank, including the lower bezel locking mechanism
  • Steel rotating bezel engraved with 24-hour markers
  • Fitted to a black leather strap

Research qualifications

  • Movement and case back are not visible in the provided image
  • Source notes the case back has been re-polished

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

Consulted source

Glycine Airman - Watches and men's accessories 2026/04/30 - Realized price: EUR 1.040 - Dorotheum

Reviewed 2026-10-21 · Record 8f66b4f0e6

Terms in this record

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

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