A. Lange & Söhne Tourbillon

Most A. Lange & Söhne Tourbillon references take a 20 mm watch strap: 9 of 10.

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A. Lange & Söhne Tourbillon lug width by case size

10 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
37 mm19 mm1—711.035
39 mm20 mm6—701.001, 701.005, 701.007
41 mm20 mm3—702.025, 712.050, 882.025

Other A. Lange & Söhne families

Inside each one the lug width often changes: it is the reference that decides.

All A. Lange & Söhne families → · Why the size changes inside a family →