Buyalov НВЧ-20vsSeiko Prospex Sea 1965 Heritage Diver's Watch
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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.

НВЧ-20

Prospex Sea 1965 Heritage Diver's Watch
Diameter
39.6mm
40mm
Lug-to-Lug
n/a
46.4mm
Thickness
n/a
13mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
72h
MSRP
n/a
$1,300
Movement
Miyota 9039
Seiko 6R55
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Buyalov НВЧ-20 is praised for its strong, coherent design and original material finishes, with its Raketa-style dial and Akula case evoking submarine clocks. Owners widely report its modern lume is highly legible throughout the night, outperforming typical Amphibia lume. The no-date dial is considered attractive, and the red dial pops in natural light. Some users question its "homage" nature and Asian manufacturing, with availability and payment issues being significant concerns. One owner notes the 46mm case size might be large for smaller wrists, and others find the bezel design unfinished and dial color choices too trendy. Overall, owners rate the Buyalov НВЧ-20 highly for its design and lume performance at the price.
Owners widely praise the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined engineering, comfortable 40mm case, and improved 300m water resistance. The watch is noted for its better build quality and finishing compared to some alternatives, featuring a mix of polished and brushed surfaces, with specific callouts for the jewel-toned teal dial with a rippling-water pattern. Some owners consider the price fair, while others suggest it is too high. Accuracy figures vary, with some owners reporting their 6R55 movement performs well within +/- 10 seconds per day, while others note theirs runs slow or have concerns about QC for the price. The bracelet, while improved, lacks modern features like quick-release or extensive micro-adjustments. Overall, owners and reviewers rate the Seiko Prospex Sea 1965 Heritage Diver's Watch highly for its refined design and build quality at its price point.
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