TAG Heuer MONACO Automatic Calibre 12 – Watch Case Parts

Brand: TAG Heuer

This TAG Heuer silver watch case is an original service component for the TAG Heuer MONACO Automatic Calibre 12 models.

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    Exchanges and returns of unused and unmodified articles within 14 days of the date of purchase (7 days during the sales period). The return articles will be inspected for signs of tampering or missing parts.

    Your return will usually be processed within 24 to 48 hours.
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    Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.

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CHF 525

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TAG Heuer MONACO Automatic Calibre 12 – Watch Case Parts

Overview

This TAG Heuer silver watch case is an original service component for the TAG Heuer MONACO Automatic Calibre 12 models. It includes the crystal, bezel, case-back, pushers, crown, and associated screws. The case measures approximately 39 mm x 39 mm without the crown, consistent with the iconic square dimensions of the Monaco series.

The case is made from polished stainless steel, presenting a silver finish. The included crystal is sapphire, as indicated by the case-back markings. The overall visual presentation is clean, with the distinct lines and proportions characteristic of the Monaco design.

The item is graded Excellent in our Condition Grading Scale below. It consists of generally unused parts, exhibiting only small marks and/or scratches consistent with service components. Any parts not explicitly mentioned in this description or not visible in the accompanying photographs are not included.

The TAG Heuer Monaco collection, first introduced in 1969, gained recognition for its square case and as the first automatic chronograph. The Calibre 12 movement, a modular chronograph, succeeded the Calibre 11, offering a refined architecture within the Monaco’s distinctive form. Original Monaco watches with the Calibre 12 typically retail in the range of CHF 6,800 to CHF 11,000, depending on specific editions and condition.

Specifications

The case is designed for the TAG Heuer Monaco Automatic Calibre 12 movement. It is a complete external assembly, including the main case body, the sapphire crystal, the bezel, the case-back, two chronograph pushers, and the winding crown. The case is made from stainless steel, presenting a brushed and polished finish typical of the Monaco series.

The tag heuer silver watch case measures approximately 39 mm in width and 39 mm in height, excluding the crown. This dimension is characteristic of many Calibre 12 Monaco references, ensuring a direct replacement fit. The case is rated water resistant to 100 meters, as indicated by the case-back markings.

The transparent case-back is marked SAPPHIRE CRYSTAL | MONACO | SWISS MADE SINCE 1860 | WATER RESISTANT 100 METERS. As an original service case-back, it does not feature a model number or serial number engraving.

Notes

  • The article is sold “AS IS”. Please read our Warranty Policy before purchasing.
  • Any parts not explicitly mentioned in this description or not visible in the accompanying photographs are not included.
  • Colors may appear slightly different across various screens and devices so we cannot guarantee an exact screen-to-reality color match.

This watch case provides an authentic replacement for TAG Heuer Monaco Calibre 12 models, preserving the original design and specifications.

Frequently Asked Questions

Is this watch case compatible with Monaco movements other than the Calibre 12?

This case is specifically designed for the Calibre 12 movement. While some Monaco cases may share similar external dimensions, internal movement holders and dial foot positions can vary between different calibres, which may affect compatibility.

What specific tools are required to install movement components into this case?

Installation of movement components into a watch case requires specialized horological tools, including case presses, screwdrivers, movement holders, and dust blowers. Professional watchmaking expertise is recommended for proper assembly and to ensure water resistance.

How can the authenticity of this service case be confirmed without a serial number?

Authenticity of a service case relies on the precision of its machining, the quality of its finish, and the exactness of its dimensions and markings compared to known genuine TAG Heuer components. The specific MONACO | SWISS MADE SINCE 1860 markings on the case-back are also key indicators.

How does the stainless steel finish of this case handle daily wear?

Stainless steel, particularly the grade used by TAG Heuer, offers good resistance to corrosion and daily wear. However, like all metal cases, it can accumulate hairline scratches over time, especially on polished surfaces. Regular cleaning and careful handling help maintain its appearance.

Components

Bezel, Case, Case-Back, Crown, Crystal, Pushers, Screws

Watch Parts Condition Guide

⌚ Watch Components Condition Guide

Professional grading scale for movements, cases, dials, crowns, crystals, straps, buckles, and steel bracelets

ComponentMint (A+)Excellent (A)Good (B)Fair (C)Poor (D)
βš™οΈ Watch MovementsMint A+NOS / freshly serviced or factory new, flawless bridges, no marks.Excellent AClean, functional, minor handling marks, no rust.Good BRunning, may need service, visible wear on plates, keeps correct time.Fair CRuns erratically, low amplitude, some corrosion or prior non-pro repair.Poor DNon-running, broken parts, heavy rust, only suitable for parts.
πŸ“¦ Watch CasesMint A+Unpolished, sharp edges, original finishing, no dings or wear marks.Excellent ALight hairlines, unpolished or light professional polish, case shape crisp.Good BModerate wear, minor dings, polished previously but thickness remains.Fair CVisible dents, over-polished, light pitting, possible aftermarket parts.Poor DHeavy corrosion, deep pitting, stripped threads, bent or missing parts.
🎨 Watch DialsMint A+Perfect finish, no flaws, luminous intact, printing razor-sharp, NOS.Excellent AVery light patina, all markers present, original, visually appealing.Good BUniform patina, minor edge wear, faint marks, printing fully legible.Fair CVisible scratches, flaking near edges, possible touched-up markers.Poor DSevere damage: missing indices, large paint loss, illegible printing.
πŸ‘‘ Watch CrownsMint A+Original signed, sharp logo, smooth winding, gasket fresh, water-ready.Excellent ALight microscratches, logo clear, functions perfectly, seals effective.Good BPlating wear on edges, logo slightly faded, threads engage well.Fair CWorn knurling, aftermarket, some corrosion, threads stiff.Poor DSevere corrosion, broken stem interface, non-functional, salvage only.
πŸ’Ž Watch CrystalsMint A+Flawless, no scratches or chips, OEM crystal, perfect clarity.Excellent AMicro-scratches only visible under loupe, no chips or cracks.Good BSuperficial hairline scratches, can be polished, no structural issues.Fair CVisible scratches, small edge chip, clarity reduced.Poor DCracked, shattered, heavily crazed, missing chunks, must be replaced.
🧡 Watch StrapsMint A+Unworn, original buckle, leather supple, stitching perfect, no stains.Excellent ALightly worn, minimal flex marks, stitching intact, clean.Good BModerate wear, edge wear visible, usable but shows age.Fair CCracking leather, loose stitching, stretched holes, cosmetic flaws.Poor DBroken, torn, extreme stiffness, non-functional, replacement needed.
πŸ”— Buckles (Tang/Deployant)Mint A+NOS finish, logo crisp, perfect closure, joints like new.Excellent AMinor surface wear, logo fully visible, mechanism smooth.Good BVisible scratches, light plating wear, clasp secures properly.Fair CHeavy wear, logo faded, minor rust, function slightly affected.Poor DBroken hinge, severe corrosion, cannot hold strap, unserviceable.
⛓️ Steel BraceletsMint A+Unworn, full links, protective stickers, perfect articulation, no stretch.Excellent AMinor hairlines on clasp, very light stretch, original finish preserved.Good BModerate stretch, light scratches, clasp locks securely.Fair CNoticeable stretch, deep scratches, weak clasp closure.Poor DExcessive stretch, broken links, clasp broken, unsafe for wear.
⚑ Grading based on industry standards β€’ Mint = as new / NOS β€’ Excellent = light wear β€’ Good = honest wear β€’ Fair = functional with flaws β€’ Poor = needs restoration
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TAG Heuer MONACO Automatic Calibre 12 - Watch Case Parts

TAG Heuer MONACO Automatic Calibre 12 - Watch Case Parts

CHF 525

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    TAG Heuer MONACO Automatic Calibre 12 - Watch Case Parts

    TAG Heuer MONACO Automatic Calibre 12 - Watch Case Parts

    CHF 525

    Ask a Question