Vintage Natural Rubber Watch Strap – Blancpain Fifty Fathoms APOLLO style – 19 mm

Brand: Blancpain

This is an authentic Swiss-made vintage rubber watch strap, the original reference L/319 for the Blancpain Fifty Fathoms. The strap retains its period-correct APOLLO style and remarkable flexibility, graded in Excellent condition. It offers a direct, 19mm replacement for a vintage Fifty Fathoms or any compatible watch.

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  Estimated Delivery: Fri, Jul 24 – Mon, Aug 03  (Excl Sat, Sun)
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CHF 75

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Blancpain Fifty Fathoms APOLLO Style Vintage Natural Rubber Watch Strap Reference L/319

Overview

This is an authentic vintage natural rubber watch strap, produced in Switzerland during the 1960s or 1970s. It is the original reference L/319, sharing the identical style, quality, and manufacturing origin as the Swiss APOLLO rubber straps. These straps were the first-choice factory option for vintage Blancpain Fifty Fathoms diver watches of that era, representing a key period in the model’s development as a professional tool watch.

The strap is crafted from a specific, highly flexible yet resistant rubber compound. This material retains its original elasticity, a characteristic that has endured for over five decades. The strap is offered in its original, unaltered state and is graded Excellent in our Condition Grading Scale below. It is supplied with its original stainless steel buckle, marked accordingly.

Specifications

The official manufacturer reference for this strap is L/319. The strap body is made from vintage natural rubber. The buckle is made from stainless steel and is marked STAINLESS STEEL. The strap features curved ends designed to fit closely against a watch case.

Width at the watch lugs (case attachment point) is approximately 19 mm. Width at the buckle end tapers to approximately 16 mm. The short piece (with buckle holes) measures approximately 70 mm in length. The long piece measures approximately 115 mm in length. These dimensions provide a classic vintage fit.

Notes

  • The article is sold β€œAS 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 L/319 strap provides a direct, period-correct replacement or upgrade for a vintage Fifty Fathoms or any compatible 19mm watch, sourced directly from Switzerland.

Frequently Asked Questions

Which watches is this strap compatible with?

This strap will fit any watch with 19 mm lug width. It is the correct original style for vintage Blancpain Fifty Fathoms models from the 1960s and 1970s that were originally equipped with an APOLLO-style rubber strap.

What is the condition of this vintage strap?

The strap is in Excellent condition as per our grading scale. It is a vintage piece from the 1960s/1970s that retains its original flexibility and shows no signs of dry rot or cracking, which is uncommon for rubber of this age.

Is the buckle included with the strap?

Yes, the original stainless steel buckle is included and attached. It is marked STAINLESS STEEL.

What are the exact dimensions of the strap?

The strap is approximately 19 mm wide at the lugs, tapering to 16 mm at the buckle. The short piece is about 70 mm long, and the long piece is about 115 mm long. These are typical dimensions for a vintage men’s watch strap.

How do I know this is an authentic vintage part?

The strap bears the correct period reference marking L/319, matches the known APOLLO style, and exhibits material properties consistent with Swiss rubber production from that era. All our parts are sourced directly from Switzerland.

Watch Parts Condition Guide

⌚ Watch Components Condition Guide

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

Component Mint (A+) Excellent (A) Good (B) Fair (C) Poor (D)
βš™οΈ Watch Movements Mint 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 Cases Mint 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 Dials Mint 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 Crowns Mint 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 Crystals Mint 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 Straps Mint 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 Bracelets Mint 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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Vintage Natural Rubber Watch Strap - Blancpain Fifty Fathoms APOLLO style - 19 mm

Vintage Natural Rubber Watch Strap - Blancpain Fifty Fathoms APOLLO style - 19 mm

CHF 75

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    Vintage Natural Rubber Watch Strap - Blancpain Fifty Fathoms APOLLO style - 19 mm

    Vintage Natural Rubber Watch Strap - Blancpain Fifty Fathoms APOLLO style - 19 mm

    CHF 75

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