Bamford of London Titanium B347vsHamilton American Classic Intra-Matic Auto Chrono

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Titanium B347

American Classic Intra-Matic Auto Chrono
Diameter
41.5mm
40mm
Lug-to-Lug
48.5mm
n/a
Thickness
14.5mm
14.4mm
lowest
Water Resistance
100m
100m
Power Reserve
62h
highest
60h
MSRP
$2,847
$2,645
lowest
Movement
Sellita SW510
Hamilton H-31
Case
5 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the Bamford of London Titanium B347 for its motorsport-inspired design and comfortable wearability, with one owner noting excellent timekeeping. The watch features a sandblasted titanium case and an oversized crown, and its 41.5mm size is appreciated for a chronograph. Some collectors are drawn to the monopusher mechanism for its rarity and simplicity, though it is technically considered inferior to dual-pushers. The Bamford of London Titanium B347 is powered by a Sellita SW510 automatic movement and offers 100m water resistance. On balance, enthusiasts highly regard the Bamford of London Titanium B347 for its unique design and comfortable titanium case at an accessible price.
Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its attractive panda dial, retro design, and value, with many noting its historical significance and ability to garner compliments. Reviewers and owners alike highlight its clean, athletic aesthetic and vintage charm, with some finding it wears well and fits comfortably under dress shirts, even on smaller wrists. However, multiple sources flag its substantial thickness, ranging from 14.35mm to 14.7mm, and one owner noted the H-31 movement's rotor felt unusually spinny and the date-set button recessed. Accuracy figures vary, with one owner reporting +8 seconds per day and another +3 seconds per day. The included leather strap is frequently described as showing creasing easily or being merely utilitarian, leading some owners to explore aftermarket bracelet options.
The panda dial's contrasting subdials are a notable strength. The bracelet clasp is considered less refined than the rest of the watch.
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