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.

Elliot Brown Beachmaster Automatic 0H0-A01-B07 at true scale

Beachmaster Automatic 0H0-A01-B07

Seiko Prospex Sea 1965 Heritage Diver's Watch at true scale

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 specs
Thickness
14mm
13mm
Lug-to-Lug
n/a
46.4mm
Lug Width
22mm
20mm

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW330-2
Seiko 6R55
Power Reserve
56h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$2,820
$1,300
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Elliot Brown Beachmaster Automatic 0H0-A01-B07

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.

Seiko Prospex Sea 1965 Heritage Diver's Watch

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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