Omega
Speedmaster Reduced 3510.12.00 (aka: 35101200)— lug 18mm

The lug width of the Speedmaster Reduced 3510.12.00 is 18mm. This width is specific to the Reduced model and differentiates it from the Professional: it allows optimal proportionality on the 39mm case, avoiding a bulky appearance. Always verify by measuring the gap between the two spring bar holes at the center of the bar.

The Reduced accepts straps in alligator with natural texture (everyday elegance), hammer-grained calf (sporty style), and shell cordovan (patina that evolves over time). For timed use or humid environments, vulcanized rubber maintains the original sporty aesthetic. The choice depends on the occasion: an amber brown alligator for the office, a bordeaux calf for the evening, a black rubber for sport.

Use a dedicated spring bar tool to remove the lugs, or visit a watchmaker: insert the tool tip under the spring bar support towards the inside of the case, gently push until the spring retracts, then extract the bar from the case holes. Reverse the procedure to mount the new strap. Avoid violent lateral movements that could damage the holes.

Yes: any strap with an 18mm lug width is mechanically compatible. However, aesthetic compatibility depends on style: the Reduced expresses its elegance best with structured leather, alligator, or quality rubber straps, avoiding excessively casual or oversized approaches. A vegetable-tanned leather strap allows you to take advantage of the variable strap length.

Durability depends on leather quality and wear level: an artisanal alligator or shell cordovan lasts 4–6 years if worn daily on one wrist, developing a pleasant patina. Hammer-grained calf resists 2–3 years before showing abrasion marks. Vulcanized rubber maintains its properties for up to 5 years, but gradually loses elasticity. Store the Reduced in a cool, dry environment when not worn.