Bamford of London GMT TitaniumvsGrand Seiko SBGM245

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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 GMT Titanium at true scale

GMT Titanium

Grand Seiko SBGM245 at true scale

SBGM245

Diameter

40mm

40.5mm

Lug-to-Lug

46.5mm

lowest

48.6mm

Thickness

11.7mm

lowest

14.4mm

Water Resistance

100m

200m

highest

Power Reserve

56h

72h

highest

MSRP

$1,822

lowest

$6,100

Movement

Sellita SW330-2

Grand Seiko 9S66

Case

5 specs
Diameter
40mm
40.5mm
Thickness
11.7mm
14.4mm
Lug-to-Lug
46.5mm
48.6mm
Material
Titanium
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
n/a
Yes
Dial Color
n/a
n/a

Movement

3 specs
Caliber
Sellita SW330-2
Grand Seiko 9S66
Power Reserve
56h
72h
Jewels
25
0

Pricing

1 specs
MSRP
$1,822
$6,100
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Reviews

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

Bamford of London GMT Titanium

The Bamford of London GMT Titanium is widely praised for its comfortable, lightweight 40mm titanium case, legible dial design, and versatile GMT functionality via a secondary crown. Owners appreciate its sporty, casual feel and the 100m water resistance. Reviewers note the 70s-inspired cushion case shape and attractive price point. Some owners find the 40mm size a bit small, and one reviewer felt the GMT bezel markers were slightly oversized. Accuracy figures vary, with one owner reporting around 53 hours of power reserve and another noting a 42-hour power reserve on a different variant. Overall, owners and reviewers rate the Bamford of London GMT Titanium highly for its distinctive design and comfortable wearability at an attractive price.

Grand Seiko SBGM245

Owners widely praise the Grand Seiko SBGM245 as a compelling mechanical GMT, blending sport and luxury with notable workmanship. Some owners find its 40.5mm case size and 14.4mm thickness wearable, while others consider it too large and prefer slimmer alternatives. The polished surfaces are noted to scratch easily, suggesting it is best suited for dressier occasions. Accuracy figures vary, with one owner reporting an average gain of two seconds per day, while others express a desire for a thinner case and a clasp with quick extension. Overall, owners rate the Grand Seiko SBGM245 highly for its mechanical GMT functionality and craftsmanship, despite some reservations about its size and scratch resistance.

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