Expand your Jan Mayen strap pairings with the Straum Strap Adapters. Designed for perfect integration with the Jan Mayen case, they retain the signature midlink and supports most 20mm straps, including rubber, leather, and NATOs. Crafted from 316L stainless steel and finished to match the Jan Mayen case, they feature tilted side surfaces and a matching brushing orientation for a seamless look. Comes in a pair of two, and includes 1.4mm spring bars.

A special edition Straum-branded version of the ZULUDIVER OctoPod MK3 Buckle, suitable for all 20mm OctoPod Watch Straps. The double springbar looping ensures extra protection while the durable nylon straps offer a sleek profile and great comfort—perfect for your next adventure or expedition.

A stainless steel bracelet with a machined butterfly deployant clasp with push buttons. Designed to perfectly fit Opphav, Opphav Damascus and Rastarkalv with a custom first link and a tapered shape across the five first links. All links are custom CNC machined to very high tolerances to ensure a precise and comfortable fit. The bracelet tapers from 25 mm (outside lug to outside lug) to 18 mm at the buckle. Only compatible with Opphav, Opphav Damascus and Rastarkalv.

Developed by ZULUDIVER, this HydraRib watch strap offers a durable and flexible strap experience. Made from premium, high-quality 100% polyamide yarn, tested and certified to BS EN 14362. Core-spun by precision weaving machines. Specially dyed and colour-fixed at high temperatures to ensure durability. Waterproof and washable.

Made from full-grain vegetable-tanned leather, with a matching liner. Designed to perfectly fit Opphav, Opphav Damascus and Rastarkalv, with inset lug cuts and a padded top half. Stitching around the edge completes the look. Includes a Straum buckle and quick-release spring bars for easy fitting. The lug-to-lug width is 22mm; full strap width is 25mm at the lugs, tapering to 20mm at the buckle. The thickness is 5mm at the lugs, tapering to 2.7mm at the buckle. Buckle strap length is 75mm long; holed strap length is 115mm. Only compatible with Opphav, Opphav Damascus and Rastarkalv.

Made from full-grain vegetable-tanned leather, with a matching liner. Designed to perfectly fit Opphav, Opphav Damascus and Rastarkalv, with inset lug cuts and a padded top half. Stitching around the edge completes the look. Includes a Straum buckle and quick-release spring bars for easy fitting. The lug-to-lug width is 22mm; full strap width is 25mm at the lugs, tapering to 20mm at the buckle. The thickness is 5mm at the lugs, tapering to 2.7mm at the buckle. Buckle strap length is 75mm long; holed strap length is 115mm. Only compatible with Opphav, Opphav Damascus and Rastarkalv.