B 1.618 UltraFino 40mm
UFFTSKTNBL · B 1.618 UltraFino Flying Tourbillon Skeleton Titanium Blue
How it wears
Wears true to its 40 mm case size
Bianchet B 1.618 UltraFino 40mm measures 47.39 mm lug-to-lug on a 40 mm case, a lug-to-lug ratio of 1.18 against a database median of 1.18. That span is longer than 55% of the 7,413 watches in this database and longer than 0% of the 29 Bianchet watches listed.
A flat wrist width of 53 mm (2.09 in) or more keeps it in the balanced range, and from 64 mm (2.52 in) it starts to look compact. Below 47.39 mm (1.87 in) the lugs are likely to overhang the wrist. Flat wrist width is measured straight across the top of the wrist, not around it.
Wrist fit analyzer
Fit reference
Sits comfortably within the wrist width for most wearers.
Sources
- https://sf.delugs.com/api/strap-finder
Delugs Strap Finder API lists 40mm case diameter, 47.39mm lug-to-lug distance for Bianchet B 1.618 UltraFino Flying Tourbillon Skeleton Titanium Blue UFFTSKTNBL.
- https://monochrome-watches.com/bianchet-b-1-618-ultrafino-tourbillon-ultra-thin-integrated-bracelet-luxury-sports-watch-introducing-specs-price/
MONOCHROME reports 47.39mm lug-to-lug, 40mm case size/width for Bianchet B 1.618 UltraFino, a Slim Tourbillon Integrated Sports Watch in “The Bianchet B 1.618 UltraFino, a Slim Tourbillon Integrated Sports Watch.” The article's explicit planar case length/top-to-bottom dimension is stored as the lug-to-lug equivalent.
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