Rubber makes a dive watch feel like it is finally in its natural habitat. The Marathon 36mm OSAR-D WW194026SS-2030-KIT pairs a black dial with a 3-piece rubber strap kit, creating a lightweight Swiss automatic dive watch that is ready for pools, oceans and humid summer days.

Marathon's 3-piece FKM rubber strap kits are made in La Chaux-de-Fonds, the Swiss town where the company assembles its watches. FKM is a fluoroelastomer valued for standing up to salt water, chlorine and sweat. On the compact 36mm OSAR-D, with its 13mm-thick case and 18mm lugs, the black rubber strap makes the whole package feel nimble and secure during swimming, snorkeling or paddleboarding.

The watch itself is the "Original Search and Rescue with Date," reworked and relaunched by Marathon in 2024 from the SAR-D once issued to Canadian SAR Techs. It brings a black Type I dial with large geometric indices in MaraGlo lume, a cyclops-magnified date at 3 o'clock, a sapphire crystal and a 120-click bezel sized for gloved hands. A guarded screw-down crown seals it to 300 meters, and a Sellita SW200-1 automatic movement with Incabloc shock protection keeps it running.

OSAR-D 36mm on Rubber: Spec Rundown

• Reference: WW194026SS-2030-KIT
• Case: 36mm brushed 316L stainless steel, 13mm thick, 43.5mm lug to lug
• Movement: Sellita SW200-1 Swiss automatic, 26 jewels, approx. 41 hours
• Water resistance: 300m / 1000ft
• Crystal: sapphire with cyclops
• Lume: MaraGlo on indices, hands, bezel pip
• Dial: black, date at 3:00
• Strap: black 3-piece FKM rubber strap kit, 18mm

Rinse it off, let it dry in the sun, and wear it again tomorrow.