Replacement FKM Rubber Crown & Pusher Cover for AP Royal Oak Offshore

Product Overview

The Royal Oak Offshore has worn rubber on its crown and pushers since 1993, and it is part of what gives the case its grip and its unmistakable look. It is also the first part of the watch to age. Sweat, sunscreen, salt water and thousands of thumb presses slowly polish the surface, round off the edges and eventually split the rubber, leaving bare metal where the cover used to be.

This is a direct replacement set. The sleeves slide over the existing crown and pushers, restore the original finish, and leave the crown, the pushers and their seals completely untouched. Nothing has to be dismantled, no tools are needed, and the watch keeps the tactile response it had when it was new.

These covers are made for people who wear their Offshore rather than keep it in a box — at a desk, behind the wheel, in the pool, on a dive boat. Fuerman produces them alongside its custom fluororubber material watch strap ranges, so the rubber grade and the colour matching come out of the same workshop that supplies bands for these references.

Small and matte, they add nothing you can feel on the wrist, and they can be renewed in a few minutes whenever the rubber starts to look tired.

Specifications & Fitment

FKM Fluororubber

FKM — fluoroelastomer, or fluororubber — is the material chosen for rubber parts that have to survive skin oils, sunscreen, heat and time. Silicone and natural rubber go slick, swell or crack after a couple of seasons under that treatment. FKM does not: it resists oils and greases, shrugs off heat, and keeps its shape and its grip.

On a band, that matters for comfort. On a crown cover, it matters for control. The cover has to stay slightly tacky under a thumb so the crown can be turned and the chronograph pushers pressed with confidence; once rubber hardens or polishes smooth, those controls start to feel vague and the watch loses the response it was designed around. FKM holds a firm, grippy surface through daily use.

The finish is deliberately matte and non-reflective, matching the soft-touch surface the Offshore originally came with. The sleeve is hollow, so it slips over the existing rubber-clad crown and pusher bodies and sits flush against the case with no raised lip or sharp edge to catch on a shirt cuff.

It is the same class of FKM that goes into every fluororubber material watch strap we offer, which keeps the feel consistent on a watch that wears both.

Crown Cover or Full Set

• Crown cover only — one sleeve for the winding crown. It is the piece that takes the most direct contact, so it is often the first to wear, and ordering it on its own is enough when the pusher covers are still sound.
• Pusher covers as a pair — the two covers that sit over the chronograph pushers. The pushers are pressed dozens of times a day, so their covers can flatten or split long before the crown shows any change.
• Complete three-piece set — crown plus both pushers in one order. This is the sensible choice when the watch has been worn hard for years, when the rubber has already been replaced once, or when every coloured part on the case should match.
• Spare pusher covers — worth keeping in the watch box. A cover that works loose is easy to lose on a beach or in a hotel room, and a spare means the watch never has to go without one.
• Single replacement piece — if only one cover has split, that piece can be ordered on its own rather than as a set.
• Bands and covers together — if the band is being renewed at the same time, you can add a custom fluororubber watch strap online in a matching colour to the same order.

Fitting the Covers

1. Work over a soft cloth or a watchmaker's tray on a table, so a cover that slips out of your fingers cannot bounce onto the floor.
2. Identify the parts first. The crown cover is the single sleeve that goes over the winding crown on the right side of the case; the pusher covers are the pair that fit the chronograph pushers above and below it.
3. If an old cover is still in place and has split, ease it off gently with a fingernail or a plastic toothpick. Never use a blade or a metal tool near the case.
4. Wipe the crown and pusher bodies with a dry, lint-free cloth and check that no fragments of the old rubber are left in the groove.
5. Slide the new cover on squarely and work it down until it sits flush against the case with no lip at either end. Turn the crown and press each pusher once to confirm the cover has not been trapped.
6. If your Offshore has a screw-down crown, have the cover fitted by a watchmaker. It has to be seated correctly for the crown to screw down and seal the way it should.
7. If the band is also due for a change, this is the moment to do it — you can buy a watch strap online from our FKM range and fit both in one sitting.

Colour Range

Wear Signs & Replacement Timing

• The matte surface turns shiny. Constant thumb contact polishes the rubber smooth. The cover still protects, but the original soft-touch look is gone.
• Edges lift or the cover rotates. A stretched sleeve no longer sits square on the crown or the pusher.
• Fine cracks at the corners. Once the rubber splits, the metal underneath starts taking the wear instead, so replace the piece before the crown or pusher body is affected.
• A pusher cover goes missing. These parts can come off in heavy use. The watch still runs, but the pusher loses its grip and its finished look until a replacement is fitted.
• Discolouration from sunscreen or insect repellent. FKM resists more than plain rubber, but a film left on for months will leave a mark. Rinse the covers after a day at the beach.
• The pushers feel vague under the thumb. A hardened or flattened cover muffles the click you expect when the chronograph starts and stops.
• The watch is due for a service. A watchmaker already has the case in hand, which makes it the natural moment to renew the covers too.
• A colour change is wanted. Swapping colours is a way to change the look of the case without touching the mechanism.
• The band is usually first to show the same abuse. Salt, sunscreen and sweat attack the band and the crown covers at the same time, so if a custom fluororubber material watch strap is due for renewal, the covers are worth checking in the same sitting.

Ordering Notes

1. Choose the pieces. A single crown cover, the pair of pusher covers, or the complete three-piece set.
2. Choose the colours. Every piece can be ordered in any colour in the range, so a black crown cover with a brighter pair of pushers is possible if you want the contrast. Colours can look slightly different on a computer or phone screen than in daylight, so ask for a photo if you need an exact match.
3. Send your reference. The case reference, and a photo of the crown side of the case if the reference is hard to read, lets us double-check the fit before the order is packed.
4. Other watches in the collection. Send their references in the same enquiry — covers, gaskets and custom fluororubber material watch straps are matched the same way.
5. Matching the band. If the case and the band should read as one set, a fluororubber material watch strap in the same colour family can go on the same order.
6. Elsewhere in the range. Silicone quick-release tropical bands in 18, 20 and 22, FKM fluororubber watch straps in 20 and 22, FKM nylon bands in 20, 22 and 24, and leather straps are also available.
7. Delivery and terms. Confirm the current lead time, shipping method and any import charges with your sales contact, and check the return and exchange terms for colour parts before ordering.

Technical Support & Model Matching

FUERMAN has been supplying watch parts and accessories from Huadu District, Guangzhou since 2010 — 15+ years in the trade, a 60-strong team and a deep ready stock held in China. Our technical team, which includes technicians with 30+ years of watchmaking experience, matches items to your watch by brand, model or reference number before you order, so you know it will fit. Send a photo or a measurement if you are unsure: we will confirm the right choice, talk you through fitting, and stay with you afterwards — troubleshooting, replacement parts and after-sales help long after your order arrives.

FAQ