# Lambertus

> Lambertus - premium vulcanized wristbands and straps engineered exclusively for the Audemars Piguet × Swatch Royal Pop pocket watch. Two strap types, eight luxury colours, $95 pre-order incl. worldwide shipping, $125 after pre-order.

Lambertus is an independent atelier - not affiliated with Audemars Piguet or Swatch Group - that produces tailored straps with an integrated octagonal clip holder for the AP × Swatch Royal Pop pocket watch (released 2026). Each wristband is $95 USD during pre-order (incl. worldwide shipping). After the pre-order phase, straps will be $125 USD excl. shipping.

## Product overview

- **Strap I - Crown at 12 o'clock**: 6 colours - Vantablack Velvet (#181818), Midnight Sapphire (#192961), Pistachio Soufflé (#DAECB5), Verdant Reverie (#399F4B), Alabaster Hush (#F5F5F5), Blush Atelier (#EBC1C1).
- **Strap II - Crown at 3 o'clock**: 2 colours - Cobalt Mirage (#23538E), Coral Confit (#D98391).
- **Construction**: vulcanized soft-touch FKM, octagonal clip holder secured with eight stainless screws, stainless steel buckle, fits 140-210mm wrists.
- **Compatibility**: engineered exclusively for the AP × Swatch Royal Pop pocket watch - no other watches.
- **Status**: pre-order open, ships at launch worldwide with tracking. 14-day return policy on unused wristbands.

## Brand

Lambertus is an editorial-leaning accessories label dedicated to one product family: aftermarket straps with an octagonal clip holder for the AP × Swatch Royal Pop pocket watch. The catalogue is organised around eight signature colourways across two strap types.

## Common search terms

Lambertus, royal pop compatible wristband, royal pop compatible strap, royal pop wristband, royal pop strap, royal pop band, AP swatch royal pop strap, audemars piguet swatch royal pop wristband, royal pop pocket watch strap, royal pop strap, pocket watch wristband, octagonal pocket watch strap.

## Pages

- [Home](https://royalpopwristbands.com/): Brand overview, configurator, compatibility grid.
- [Collection](https://royalpopwristbands.com/shop): Both strap types with all colours.
- [Strap I product](https://royalpopwristbands.com/product/royal-pop-wristband-type-1-crown-at-12): Strap I product page with colour picker.
- [Strap II product](https://royalpopwristbands.com/product/royal-pop-wristband-type-2-crown-at-3): Strap II product page with colour picker.
- [Pre-order](https://royalpopwristbands.com/preorder): Email reservation for launch.
- [Maison](https://royalpopwristbands.com/about): Brand story and independence disclaimer.
- [Atelier FAQ](https://royalpopwristbands.com/faq): Sizing, compatibility, materials, shipping.
- [Contact](https://royalpopwristbands.com/contact): info@lambertus.store.

## FAQ

**Which strap type fits which watch?** Strap I fits the six Royal Pop models with the crown at 12 o'clock (Otto Rosso, Huit Blanc, Green Eight, Blaue Acht, Orenji Hachi, Ocho Negro). Strap II fits the two crown-at-3 models (Lan Ba, Otg Roz).

**How does the clip holder work?** An octagonal stainless-steel frame holds the Royal Pop pocket watch snugly. Snap the watch in to wear it on the wrist, snap it out to use it as a pocket watch. No tools required.

**Is it compatible with all 8 Royal Pop models?** Yes - all eight AP × Swatch Royal Pop pocket watches are covered between Strap I (six models) and Strap II (two models).

**What is the wristband made of?** Vulcanized soft-touch FKM with a stainless-steel octagonal clip holder secured by eight stainless screws. Resistant to water, sweat, and sunlight. Fits wrists 140-210mm.

**How big does it wear on the wrist?** It wears like a bold 42-44mm sports watch due to the protective case holder. Total length 53.2mm lug-to-lug, ultra-thin 8.4mm profile.

**Exact watch and case dimensions?** Watch head: 40.0mm diameter × 8.4mm thickness. With case holder: 44.2mm total width × 53.2mm lug-to-lug × 8.4mm thickness.

**Price and shipping?** $95 USD per wristband during pre-order (incl. worldwide shipping). $125 USD after pre-order excl. shipping. 14-day return policy on unused wristbands.

**When does it ship?** Pre-orders ship at launch (2026). Tracking link sent when the order leaves the atelier.

**Affiliated with Audemars Piguet or Swatch?** No. Lambertus is an independent atelier - not affiliated with or endorsed by Audemars Piguet or Swatch Group.

## Colour-to-watch mapping

- Vantablack Velvet (#181818) → Ocho Negro
- Midnight Sapphire (#192961) → Blaue Acht
- Pistachio Soufflé (#DAECB5) → Orenji Hachi
- Verdant Reverie (#399F4B) → Green Eight
- Alabaster Hush (#F5F5F5) → Huit Blanc
- Blush Atelier (#EBC1C1) → Otto Rosso
- Cobalt Mirage (#23538E) → Lan Ba
- Coral Confit (#D98391) → Otg Roz

## Contact

- Brand: Lambertus
- Email: info@lambertus.store
- Domain: lambertus.store (custom domain change pending)