Biatec Corsair Cs TamivsLaco Aachen
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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.

Corsair Cs Tami

Aachen
Diameter
40mm
39mm
Lug-to-Lug
48mm
n/a
Thickness
11.2mm
n/a
Water Resistance
100m
highest
50m
Power Reserve
41h
n/a
MSRP
$1,933
$460
lowest
Movement
Sellita SW200-1
Miyota 82S0
Case
6 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 both single out the Biatec Corsair's rich blue dial, luminous hands and numerals, and overall finishing as its strengths, with one reviewer calling the finishing impressive for the price. Reviewers also note a nearly flat sapphire crystal and a slim polished bezel, though one describes the case as "thickish" and another finds the "Corsair" script above 6:00 a bit whimsical. Overall, the Biatec Corsair Cs Tami earns good marks for its dial and finishing at its price point, with the case thickness and script being the main points of contention.
Owners widely praise the Laco Aachen for its excellent value, good build quality, and historical provenance. The 39mm case wears well and has become a go-to watch for some, who also appreciate the dial and case finishing. One owner noted the Miyota 82S0 movement hacks and includes a ghost crown position. Another owner reported no issues after over a year of ownership. On balance, owners rate the Laco Aachen highly for its build quality and value at a reasonable price.
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