Bernhardt The Cipher DivervsSerica Réf. 5303 PLD

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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 PLD
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
$1,974
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.
Serica Réf. 5303 PLD is widely praised for its sophisticated and unique dive watch design, drawing inspiration from the 1960s without being a direct copy. Owners describe its aesthetic as a masterclass, embodying qualities that are simultaneously serious and whimsical, brutalist and elegant, and dressy yet military-like. The 39mm case is noted to wear perfectly, sliding under cuffs while maintaining tool watch presence. Finishing is described as tight and smooth, appearing more expensive than the price. The mesh bracelet is found comfortable and practical by some, though others find the clasp system awkward and difficult to operate. One owner expresses concerns about the reliability of the new Soprod movement, while another notes it has been well received and is COSC certified. The "DT MAX" dual diving scale's practicality for specialized diving mixes is questioned by one commenter. The screw-down crown has loosened during wear for one owner, raising concerns for dive-use integrity.
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