Skip to content
The Encyclopedia of Horology

Wristwatch · Aviation wristwatch

Mühle-Glashütte AOPA AeroSport 80th Anniversary wristwatch

Partially verified

This Mühle-Glashütte AOPA AeroSport 80th Anniversary wristwatch is documented as a limited edition of 500 units. The auction catalog reports a 42mm stainless steel case, an automatic movement, and a transparent exhibition case back under reference M1-37-34-401. The black dial features an outer minute scale with five-minute Arabic numeral intervals, an inner track, central hands, a date aperture at the 3 o'clock position, and an AOPA logo detail. The case is fitted with a coin-edge or fluted bezel carrying a blue marker at 12 o'clock.

Dial and bezel of the Mühle-Glashütte AOPA AeroSport 80th Anniversary wristwatch enclosed in protective plastic
Dial and bezel of the Mühle-Glashütte AOPA AeroSport 80th Anniversary wristwatch enclosed in protective plastic — Blackwell Auctions. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.bidsquare.com
Category
Wristwatch · Aviation wristwatch
Maker / attribution
Mühle-Glashütte
Reference
M1-37-34-401
Catalogue / lot identifier
115
Source-reported date
Not established
Country
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

Identity and Model Details

The auction catalog describes the watch as a 'Muhle-Glashutte AOPA AeroSport 80th Anniversary wristwatch, a limited edition of 500 units.' It is assigned reference 'Ref. M1-37-34-401.' and noted as 'Made in Germany.'

The lot description also notes the presence of original accompanying materials, stating that it 'Includes original box, manual, and service booklet.'

Evidence for this section
  • “Muhle-Glashutte AOPA AeroSport 80th Anniversary wristwatch, a limited edition of 500 units.”
  • “Ref. M1-37-34-401.”
  • “Made in Germany.”
  • “Includes original box, manual, and service booklet.”

Case and Bezel Structure

The auction listing records that the piece 'Features a 42mm stainless steel case'. Visible examination shows a 'Stainless steel case with fluted bezel featuring a blue marker at 12 o'clock'.

In the primary photograph, the watch head is not shown bare; rather, the 'Watch head is encased in protective transparent shrink-wrap plastic'.

Evidence for this section
  • “Features a 42mm stainless steel case”
  • “Stainless steel case with fluted bezel featuring a blue marker at 12 o'clock”
  • “Watch head is encased in protective transparent shrink-wrap plastic”

Dial Display and Markings

The catalog notes that the 'Dial includes hour, minute, and second markings with AOPA logo detail.' Direct observation confirms a 'Black dial with pilot B-Uhr-style outer five-minute numerals and inner hour/track markings'.

A date display is present via a 'Date window located at the 3 o'clock position displaying the numeral 12'. The lower periphery is 'Marked 'MADE IN GERMANY' at the bottom of the dial around the 6 o'clock position'.

Evidence for this section
  • “Dial includes hour, minute, and second markings with AOPA logo detail.”
  • “Black dial with pilot B-Uhr-style outer five-minute numerals and inner hour/track markings”
  • “Date window located at the 3 o'clock position displaying the numeral 12”
  • “Marked 'MADE IN GERMANY' at the bottom of the dial around the 6 o'clock position”

Movement and Verification Limits

According to the listing description, the watch features an 'automatic movement, and a transparent exhibition case back.' However, the movement and exhibition back are not visible in the provided image.

Visual evaluation of the dial center is also partially obscured because a 'Semi-transparent circular watermark graphic superimposed over the central dial in the photograph' is present. In addition, the seller notes under condition: 'Appears new in box. See images.', though condition and performance remain unverified by independent inspection.

Evidence for this section
  • “automatic movement, and a transparent exhibition case back.”
  • “Semi-transparent circular watermark graphic superimposed over the central dial in the photograph”
  • “Appears new in box. See images.”

Open research questions

  • What specific base caliber or internal movement specification is fitted behind the exhibition case back?
  • What individual edition number out of the 500 units is stamped or engraved on this specific watch?
  • What strap or bracelet configuration was issued with this lot, as it is not shown in the provided photograph?

Source evidence

Recorded claims and source quotations for Mühle-Glashütte AOPA AeroSport 80th Anniversary wristwatch
FieldSource-reported valueSource quotation
Model ReferenceM1-37-34-401“Ref. M1-37-34-401.”
Case Diameter42mm“Features a 42mm stainless steel case”
MovementAutomatic“automatic movement, and a transparent exhibition case back.”
Limitation500 units“a limited edition of 500 units.”
OriginGermany“Made in Germany.”
Included CollateralOriginal box, manual, and service booklet“Includes original box, manual, and service booklet.”
Seller Condition ClaimAppears new in box (source-reported)“Appears new in box. See images.”

Visible details

  • Stainless steel case with fluted bezel featuring a blue marker at 12 o'clock
  • Black dial with pilot B-Uhr-style outer five-minute numerals and inner hour/track markings
  • Date window located at the 3 o'clock position displaying the numeral 12
  • Watch head is encased in protective transparent shrink-wrap plastic
  • Semi-transparent circular watermark graphic superimposed over the central dial in the photograph
  • Marked 'MADE IN GERMANY' at the bottom of the dial around the 6 o'clock position

Research qualifications

  • Exhibition case back and movement are not visible in the provided lot image
  • Automatic movement specification and reference number are source-reported and unverified by direct movement inspection

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

Consulted source

Muhle-Glashutte AOPA AeroSport Watch sold at auction on 24th May | Bidsquare

Reviewed 2026-10-21 · Record 29869cc86c

Terms in this record

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