The Mariner — FKM Rubber Strap

• Style: Two-piece rubber strap
• Material: Premium FKM rubber
• Widths: 20mm & 22mm
• Length: 125mm / 75mm (excluding buckle)
• Buckle: Diver Buckle, 316L stainless steel, brushed finish
• Integrated quick-release spring bars for tool-free changes
• Resistant to water, UV, and perspiration
• Fits most watches with standard spring bar fittings

Every Mariner strap is precision-moulded from fluoroelastomer (FKM) rubber, chosen for its resilience and refined feel — the same attention to material excellence Randock applies to its leathers, caoutchouc, and woven nylons. The brushed 316L stainless steel buckle offers understated strength, while the integrated quick-release spring bars bring discreet versatility to the design.

Rinse in fresh water after salt or chlorine exposure and pat dry with a soft microfiber cloth. Avoid abrasive cleaners or harsh chemicals.

Designed in England — Crafted from premium FKM rubber for enduring performance.

• Obsidian Black — a deep, uncompromising jet black
• Regal Navy — a rich, dignified dark navy
• Imperial Red — a bold crimson with commanding depth
• Emerald Crest — a refined, timeless green with heritage character
• Sterling Grey — a versatile mid-grey with aristocratic poise

Shipping

Orders are prepared and dispatched within 2 working days.

Complimentary tracked delivery within the United Kingdom via Royal Mail Tracked 48 (2–3 working days). Expedited and signed services are available at checkout.

International orders are shipped via tracked Royal Mail services (typically 5–10 working days):
— Europe: £10
— Rest of World: £14

Complimentary international delivery is available on orders over £100.

Express delivery via DHL is available at checkout.

Tracking is provided once your order has been dispatched.

Import duties and taxes may apply and are the responsibility of the recipient.

Returns

You have 30 days from delivery to request a return.

Items must remain unworn, unused, and in their original packaging.

To begin a return, please contact hello@randock.co.uk.

Returns are to be arranged by the customer. For peace of mind, we recommend using a tracked and insured service.

Delivery charges, where applicable, are included in your refund. Once received and inspected, eligible refunds are issued to your original payment method.

Each Randock piece is made with a considered approach to material and construction.

• Watch Straps — Guaranteed for 12 months
• Tools & Hardware — Guaranteed for 24 months
• Care Accessories — Covered against defects on arrival

Should any manufacturing fault arise within the stated period, we will repair or replace the item at no cost.

Should you experience an issue, please contact hello@randock.co.uk.