Blancpain Fifty Fathoms AutomatiquevsCertina DS Action Diver 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.

Fifty Fathoms Automatique

DS Action Diver Chrono
Diameter
45mm
44.6mm
Lug-to-Lug
n/a
52.6mm
Thickness
15.4mm
lowest
16.2mm
Water Resistance
300m
300m
Power Reserve
120h
n/a
MSRP
$20,700
$2,219
lowest
Movement
1315
Tissot Valjoux A05.231
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 widely praise the Blancpain Fifty Fathoms Automatique for its timeless design, excellent legibility, and high-quality finishing, with the sapphire crystal bezel and generously applied luminous material providing excellent brightness. The movement is noted for its haute horlogerie decorations and a 100-hour power reserve. Some owners find the 45mm case size offers comfortable wearability, while others note that smaller variants are surprisingly stealthy and offer daily wearability. The 45mm Automatique sells significantly below its retail price, with unworn examples listed around $12,500. A reviewer found the engraved name on the case side unnecessary, and some note the uncommon strap width limits third-party options, with a lack of quick-release spring bars considered old-school. Overall, owners and reviewers rate the Blancpain Fifty Fathoms Automatique highly for its beautiful design and excellent finishing at the price.
Owners widely praise the Certina DS Action Diver Chrono for its excellent value and high-end feel, with many considering it one of the best Swiss or Japanese divers under $2000. Reviewers and owners alike highlight its robust build, attractive design, and well-finished case, with some preferring the contrast of the steel version for readability. One owner notes the chronograph totaliser lacks lume, and another finds the 21mm lug width inconvenient for strap changes. The Certina DS Action Diver Chrono is powered by the Tissot Valjoux A05.231 automatic movement and has a 68-hour power reserve, though one owner mentions a low reserve requiring daily winding if not worn extensively. Overall, owners rate the Certina DS Action Diver Chrono highly for its exceptional quality and value at its price point.
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