Bamford of London D-300 Gloss Navy White CeramicvsSeiko 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.

Bamford of London D-300 Gloss Navy White Ceramic at true scale

D-300 Gloss Navy White Ceramic

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

Prospex Sea 1965 Heritage Diver's Watch

Diameter

42mm

40mm

Lug-to-Lug

n/a

46.4mm

Thickness

13mm

13mm

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$1,800

$1,300

lowest

Movement

ETA 2824-2

Seiko 6R55

Case

4 specs
Diameter
42mm
40mm
Lug-to-Lug
n/a
46.4mm
Lug Width
22mm
20mm
Material
Ceramic
Stainless Steel

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
ETA 2824-2
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,800
$1,300
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Reviews

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

Bamford of London D-300 Gloss Navy White Ceramic

Owners praise the Bamford D-300 Gloss Navy White Ceramic for its tactile bezel, legible dial, and premium feel, noting its ceramic and titanium construction and fun wrist presence. Some reviewers find it offers good value at under $2,000, while one owner considers its £1,800 price tag unjustifiable. Overall, owners and reviewers rate the Bamford D-300 Gloss Navy White Ceramic positively for its tactile bezel and premium feel at its price point.

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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