Bernhardt The Cipher DivervsSerica Réf. 5303

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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.

The Cipher Diver

Réf. 5303
Diameter
39mm
39mm
Lug-to-Lug
46mm
lowest
46.5mm
Thickness
11.5mm
lowest
12.2mm
Water Resistance
300m
300m
Power Reserve
n/a
42h
MSRP
$795
lowest
$1,857
Movement
Miyota 9039
Soprod M100
Case
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Bernhardt The Cipher Diver is praised for its 39mm case size and sapphire crystal. Owners widely report the bracelet construction and lume are adequate, with one noting the lume is patchy and short-lived. The Miyota 9039 automatic movement is expected to provide reliable timekeeping. Overall, owners rate Bernhardt The Cipher Diver highly for its value and wearable dimensions.
Owners widely praise the Serica Réf. 5303 for its build quality, attractive dial appearance, and sophisticated neo-vintage design, with some feeling it rivals watches costing significantly more. Reviewers and owners consistently highlight the smooth winding action, the high-quality feel of the bracelet, and the excellent tactile action of the bezel, often described as industry-benchmark. The 39mm case is noted as perfectly proportioned and comfortable, even on smaller wrists. Accuracy figures range from +2 to +5.5 seconds per day, with one owner wishing for a longer power reserve than the reported 42 hours. Some owners express concerns regarding quality control, citing issues with dial alignment, bezel function, and movement defects in a few instances, alongside a perceived lack of communication from the brand. The dial design, particularly the absence of a logo at 12 o'clock, is polarizing for some, while others find the "DT MAX" diving scale has practical limitations.
The COSC and Grand Chronomètre Serica® certifications are a significant strength. No shared weaknesses were identified.
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