Speake-Marin · Ripples

Strap for Ripples Blue Jeans

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
Reference604015480
FamilyRipples
MovementSpeake-Marin caliber SMA03-T Hours, Minutes, Small Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Ripples 604015480

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Ripples 604015480, seen from the bench

The Speake-Marin Ripples 604015480 features a 40.30mm stainless steel case with a manually guilloché dial depicting concentric waves. Powered by the in-house SMA03-T calibre beating at 28,800 vph, it displays hours, minutes and small seconds at 6 o'clock. The 20mm lug width accommodates the integrated bracelet's spring bars precisely. This collector's piece represents independent British watchmaking expertise applied within Swiss haute horlogerie traditions.

Frequently asked questions

What is the exact lug width of the Speake-Marin Ripples 604015480?

The lug width of the Speake-Marin Ripples 604015480 is precisely 20mm. This measurement refers to the distance between the two spring bar pins that secure the strap to the case lugs. To verify it correctly, use a digital calliper measuring from the centre of one pin to the centre of the other, perpendicular to the case. Twenty-millimetre straps will ensure an accurate fit without any residual play.

What is the best strap choice for a Speake-Marin Ripples 604015480?

The ideal strap depends on your intended usage. For daily elegance, we recommend black alligator or cognac-brown vegetable-tanned calf, both offering authentic patina development. For sporting versatility, a Cordura NATO in charcoal grey maintains the watch's technical aesthetic. For aquatic environments, FKM rubber provides waterproofing and durability without compromise. Milano Straps supplies all these options in 20mm with full personalisation capability.

How do I change the strap on a Speake-Marin Ripples 604015480?

Strap replacement requires a dedicated tool: a spring bar tool (extractor). Position the tool against the case lugs, gently compress the spring bar pins to release them, then extract the old strap. Insert the new 20mm strap, aligning its ends with the lug holes, then re-seat the spring bar pins until they click into place. If you lack experience, we recommend entrusting this operation to a qualified service centre.

Can I use an aftermarket-compatible strap on this Speake-Marin model?

Yes, any aftermarket strap measuring 20mm is compatible with the Ripples 604015480, provided it respects construction tolerances. Milano Straps manufactures bespoke leather, NATO, and rubber straps dimensioned specifically for this lug width. The quality of leather and finishing standards are decisive factors: choosing reputable brands guarantees longevity, aesthetic congruence, and structural rigidity that will not abrade your polished case.

How long does a leather strap last on a daily-worn watch?

A quality leather strap, exposed to daily abrasion, maintains structural integrity for 18–36 months depending on tanning method and usage intensity. Vegetable-tanned leather ages more gracefully than chemically tanned leather, developing character and patina. The passants (the small loops securing the strap to the pins) are the critical stress point; if constructed with double-ply thickness, they resist wear considerably longer. Milano Straps employs premium raw materials and reinforced construction methods to maximise longevity even on collectible watches like the Ripples.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only