Bamford of London B80 Modern NavyvsSeiko DressKX

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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 B80 Modern Navy at true scale

B80 Modern Navy

Seiko DressKX at true scale

DressKX

Diameter

39mm

40mm

Lug-to-Lug

48mm

44.6mm

lowest

Thickness

10.5mm

lowest

11.5mm

Water Resistance

100m

100m

Power Reserve

56h

highest

41h

MSRP

$950

$315

lowest

Movement

Sellita SW300-1

Seiko 4R36

Case

4 specs
Diameter
39mm
40mm
Thickness
10.5mm
11.5mm
Lug-to-Lug
48mm
44.6mm
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW300-1
Seiko 4R36
Power Reserve
56h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$950
$315
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Reviews

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

Bamford of London B80 Modern Navy

The Bamford of London B80 Modern Navy is recognized for its 39mm matte bead-blasted titanium case and 100m water resistance. Reviewers highlight the Sellita SW300-1 automatic movement as a strong point, offering a modern, casual aesthetic with a grained dial and applied luminous markers. One variant features a unique dial with twelve pennant-shaped segments spelling out the hours. Overall, reviewers praise the Bamford of London B80 Modern Navy as a well-proportioned, fairly priced field watch with a classic design.

Seiko DressKX

Owners widely report the Seiko DressKX offers excellent value and a comfortable 22mm bracelet. Accuracy with the 4R36 movement is variable, with most owners experiencing +/-5 to 10 seconds per day, though the movement's official tolerance is +/-40 seconds per day. Some owners have noted component failures like bezel issues or misaligned parts, while others praise its accuracy. The Seiko DressKX is seen by some as a less serious tool watch than its predecessor due to the lack of a screw-down crown and ISO rating, though others prefer its modern features and warranty. Overall, owners rate the Seiko DressKX highly for its value and comfortable bracelet, despite variable accuracy.

From video reviewers

The clean dial and versatile dressy look are praised. The overall thickness and handset are points of contention.

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