Wristwatch · Calendar & moon-phase watch

Oris Stainless Steel Moonphase Calendar Wristwatch

Partially verified

According to the auction catalog, this Oris wristwatch features a polished and brushed rectangular stainless steel case measuring 44.00 by 33.00 mm inclusive of curved lugs. The silvered guilloché dial is signed ORIS AUTOMATIC and SWISS MADE, showing stylised Arabic numerals and luminous blued steel feuille hands with a central sweep seconds hand. A moonphase aperture sits at 12 o'clock, with subdials for day of the week, 24-hour indication, and date at 3, 6, and 9 o'clock. The source reports an exposition case back secured by four screws and a 17-jewel Calibre 581 self-winding movement.

Three-quarter front view of the Oris rectangular moonphase calendar wristwatch on a black strap — Hindman. Rights pending — permission not yet requested. Original source

Catalogue identity

Source: www.bidsquare.com
Category: Wristwatch · Calendar & moon-phase watch
Form: Rectangular moonphase calendar wristwatch
Maker / attribution: Oris
Reference: Not recorded
Catalogue / lot identifier: 19
Source-reported date: Not established
Source-reported place: Switzerland

Maker profile: Oris — history, key models and current watchmaking.

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 Construction and Presentation

The catalog records a polished and brushed rectangular stainless steel case measuring 44.00 by 33.00 mm inclusive of curved lugs, fitted to a black leather strap with a steel push-button deployant buckle.

Visual observation confirms the rectangular stainless steel case profile, curved lugs, and fluted winding crown, mounted on a textured black leather strap. The deployant buckle itself is not clearly shown in the single three-quarter front photograph.

Evidence for this section

“44.00 x 33.00 mm case dimensions inclusive of lugs”
“polished and brushed rectangular case with curved lugs”
“black leather strap, steel push-button deployant buckle”
“Rectangular stainless steel case with curved lugs and a fluted winding crown.”

Dial Configuration and Complications

The watch features a silvered guilloché dial signed ORIS with Arabic numerals, luminous blued steel feuille hands, and a central sweep seconds hand.

The dial layout incorporates four complications: an aperture at 12 o'clock displaying moonphase indication, and three subdials at 3, 6, and 9 o'clock displaying day of the week, 24-hour indication, and date indication respectively.

Evidence for this section

“silvered guilloche dial signed ORIS, Arabic numerals”
“aperture at 12 o'clock for moonphase indication, subdials at 3, 6 and 9 o'clock for day of the week, 24 hour and date indication respectively”
“luminous blued steel feuille hands with center sweep seconds hand”

Provenance and Documentation Limits

The catalog lists the piece as property from the Estate of Paul and Margaret Moll of Waukesha, Wisconsin.

A reference number, case serial number, and exact date of manufacture are not recorded in the source entry. Mechanical running condition and timekeeping performance are likewise not evaluated in the listing.

Evidence for this section

“Property from the Estate of Paul and Margaret Moll, Waukesha, Wisconsin”

Open research questions

What reference number and case serial number are engraved on the case back or interior?
What underlying base calibre is utilized for the Oris Calibre 581 in this reference?
What is the original retail release or production era for this rectangular moonphase calendar model?

Source evidence

Recorded claims and source quotations for Oris Stainless Steel Moonphase Calendar Wristwatch
Field	Source-reported value	Source quotation
Case dimensions	44.00 x 33.00 mm	“44.00 x 33.00 mm case dimensions inclusive of lugs”
Dial	Silvered guilloché signed ORIS	“silvered guilloche dial signed ORIS”
Movement	Cal. 581 self-winding 17 jewel movement	“Cal. 581 self-winding 17 jewel movement signed ORIS”
Complications	Moonphase, day, 24-hour, and date indication	“aperture at 12 o'clock for moonphase indication, subdials at 3, 6 and 9 o'clock for day of the week, 24 hour and date indication respectively”
Case back	Exposition case back affixed with four screws	“exposition case back affixed with four screws”
Case dimensions	44.00 x 33.00 mm inclusive of lugs	“44.00 x 33.00 mm case dimensions inclusive of lugs”
Buckle	Steel push-button deployant buckle	“steel push-button deployant buckle”
Provenance	Estate of Paul and Margaret Moll, Waukesha, Wisconsin	“Property from the Estate of Paul and Margaret Moll, Waukesha, Wisconsin”

Visible details

Rectangular stainless steel case with curved lugs and a fluted winding crown.
Silvered dial with guilloché patterning, stylized dark Arabic numerals, and blued hands.
Moonphase display below 12 o'clock and three sub-registers at 3, 6, and 9 o'clock.
Fitted to a black textured leather strap showing minor surface wear.

Research qualifications

The movement and exposition case back are not visible in the provided lot photo.
Mechanism specifications and movement caliber rely entirely on source reporting.

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