Elliot Brown Beachmaster Automatic 0H0-A01-B07vsSeiko 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.

Beachmaster Automatic 0H0-A01-B07

Prospex Sea 1965 Heritage Diver's Watch
Diameter
40mm
40mm
Lug-to-Lug
n/a
46.4mm
Thickness
14mm
13mm
lowest
Water Resistance
300m
300m
Power Reserve
56h
72h
highest
MSRP
$2,820
$1,300
lowest
Movement
Sellita SW330-2
Seiko 6R55
Case
3 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Elliot Brown BEACHMASTER AUTOMATIC 0H0-A01-B07 is noted for its rugged, no-nonsense tool watch design and robust build. Owners found the dial lume lackluster, possibly due to vintage-inspired Super-LumiNova. The 40mm case wears prominently due to its rectangular profile and lug design, and some owners report the crowns are undersized, requiring careful adjustment. Overall, owners rate the Elliot Brown BEACHMASTER AUTOMATIC 0H0-A01-B07 highly for its robust tool watch build, despite some caveats regarding wearability and lume.
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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