Strap for Senator Chronograph Panorama Date Red Gold / Silver / Alligator / Folding

The lug width of the Senator 1-37-01-01-05-30 is exactly 21mm (width between the lugs measured from inner edge to inner edge). This proportion is specific to the 42mm red gold case diameter and is compatible with any commercially available strap designed for this width.

For the Senator in red gold, we recommend vegetable-tanned alligator in dark brown or champagne tones, which enhances the warmth of the metal. Japanese shell cordovan is excellent for durability, or Bardigiano calf for daily versatility. Black FKM rubber offers aesthetic contrast and is ideal for sporting use of the chronograph.

The Senator uses a standard spring-bar system. With the watch face down, use a spring bar tool to compress the spring lug on one side, extract the lug from the case, and remove the old strap. Repeat in reverse order with the new strap, ensuring the lug is secure on both sides. If uncertain, consult a qualified watchmaker.

Yes, any strap with a 21mm lug width is compatible with the Senator 1-37-01-01-05-30. Whether leather, NATO, rubber, or textile, compatibility depends on matching the lug width. We also recommend verifying the developed length (75–120mm) to ensure comfort on your wrist.

A quality leather strap (alligator or shell cordovan) worn daily lasts approximately 3–5 years before requiring replacement. Lifespan depends on environment (humidity, sunlight), frequency of wear, and care (rapid drying if wet, avoiding deformation). Shell cordovan is more durable; alligator is more delicate but develops a beautiful patina over time.