Bamford of London D-300 Gloss Navy White CeramicvsSeiko Prospex Sea

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Bamford of London D-300 Gloss Navy White Ceramic

Ref. d-300-ceramic·MSRP $1,800

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Buy from Bamford of London Used on eBay

Seiko Prospex Sea

MSRP $900

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Buy from Seiko Used on eBay

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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.

D-300 Gloss Navy White Ceramic

Prospex Sea

Diameter

Across the case, crown excluded.

42mm

41mm

Lug-to-Lug

The number that decides fit.

n/a

46.9mm

Thickness

How it sits under a cuff.

13mm

12.3mm

lowest

Water Resistance

Rated in meters.

300m

highest

200m

Power Reserve

How long it runs off the wrist.

n/a

70h

MSRP

Sticker price, new.

$1,800

$900

lowest

Movement

What drives the hands.

ETA 2824-2

Seiko 6R35

Spec

D-300 Gloss Navy White Ceramic

Prospex Sea

Case

6 specs

Diameter

42mm

41mm

Thickness

13mm

12.3mm

Lug-to-Lug

n/a

46.9mm

Lug Width

22mm

20mm

Material

Ceramic

Stainless Steel

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal Shape

n/a

Curved

AR Coating

n/a

Anti-reflective coating on inner surface

Dial Color

n/a

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

ETA 2824-2

Seiko 6R35

Power Reserve

70h

Jewels

Pricing

1 specs

MSRP

$1,800

$900

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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.

Time + Tide

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.