Strap for Constellation Quartz 27 Brushed Yellow Gold / Diamond / Silver Omega

The lug width of the Constellation 123.55.27.60.52.002 is exactly 18mm. This measurement is critical for compatibility: straps with wider or narrower lug width will not fit correctly onto the case lugs. The correct measurement is performed with a digital caliper positioned perpendicularly to the internal base of the lugs, at the point where they connect to the case.

Alligator represents the noblest choice, with cognac or dark brown tones that enhance the warmth of yellow gold. For daily wear, vegetable-tanned calf leather offers robustness and develops an authentic patina over time. Natural black rubber creates an effective contemporary contrast. Shell cordovan in deep bordeaux also builds a sophisticated dialogue with the case.

Changing the strap requires spring bar tools (small forked screwdrivers). Position one tool on each side of the lug, corresponding to the holes where the spring bar pins connect to the case. Gently push downward to release tension, then extract the strap. When reassembling, ensure the pins fully seat into the lug recesses. On a yellow gold piece, it is advisable to use tools with plastic or wood tips to avoid scratching the case.

Yes, provided they strictly comply with the 18mm lug width specification. Quality aftermarket straps made from alligator, calf leather, or rubber are fully compatible. Always verify that the spring bars are the correct length (typically 16mm for this case) and that the strap is not significantly heavier than the original, to avoid stress on the gold lugs.

A quality alligator or calf leather strap, with moderate use (4-5 days per week), has a lifespan of 3-5 years before requiring replacement. Longevity depends on factors such as humidity, sun exposure, cleaning frequency, and type of tanning. Vegetable-tanned leather tends to age more elegantly, developing a sought-after patina. Synthetic rubber of high quality offers greater durability (7-10 years) but less aesthetic appeal over time.