Serket Watch Co Blackpool GMTvsSan Martin BB GMT

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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.

Serket Watch Co Blackpool GMT at true scale

Blackpool GMT

San Martin BB GMT at true scale

BB GMT

Diameter

40mm

39mm

Lug-to-Lug

47mm

n/a

Thickness

11.5mm

n/a

Water Resistance

200m

highest

100m

MSRP

$379

$269

lowest

Movement

Seiko NH34

Seiko NH34

Case

5 specs
Diameter
40mm
39mm
Thickness
11.5mm
n/a
Lug-to-Lug
47mm
n/a
Lug Width
20mm
n/a
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Beige
n/a
Lume
SuperLuminova
None

Movement

1 specs
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$379
$269
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Reviews

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

Serket Watch Co Blackpool GMT

The Serket Watch Co Blackpool GMT is widely praised for its finishing, design, and ideal 40mm size, offering a luxurious yet functional GMT experience at an affordable price. Owners also note the watch is suitable for both casual and formal wear. One owner dislikes the bezel's "friction" feel, finding it moves too easily. Another owner wished the bracelet links were brushed, and the lume is considered poor. Overall, owners rate the Serket Watch Co Blackpool GMT highly for its impressive finishing and design at the price point.

San Martin BB GMT

Owners are broadly enthusiastic about the San Martin BB GMT. One calls the design a handsome mashup of the Black Bay Pro and Explorer 2 that looks rugged yet can be dressed up, and another, after a couple of weeks of wear, says it wears much like a Tudor BB58. Praise for finishing is specific: one owner was struck by the polishing and craftsmanship straight out of the box, while another calls it a steal at €260 for a 20 ATM watch with sapphire crystal, anti-reflective coating, a Seiko GMT movement, and an on-the-fly adjustable clasp. Some owners dislike the clasp as big and clunky, and one reports that screw-down crown threads wouldn't seat and that the brand refused a return until AliExpress refunded him. A few note that later pieces are pricier and often need regulation. Overall, owners rate the San Martin BB GMT highly for its value and finishing, with build consistency and the clasp as the main reservations.

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