Grand Seiko SBGM245vsTSAO Baltimore Balt-Pilot Worldtimer Raven

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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.

Grand Seiko SBGM245 at true scale

SBGM245

TSAO Baltimore Balt-Pilot Worldtimer Raven at true scale

Balt-Pilot Worldtimer Raven

Diameter

40.5mm

40mm

Lug-to-Lug

48.6mm

48mm

lowest

Thickness

14.4mm

lowest

15mm

Water Resistance

200m

highest

100m

Power Reserve

72h

n/a

MSRP

$6,100

$725

lowest

Movement

Grand Seiko 9S66

Seiko NH34

Case

5 specs
Diameter
40.5mm
40mm
Thickness
14.4mm
15mm
Lug-to-Lug
48.6mm
48mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Grand Seiko 9S66
Seiko NH34
Power Reserve
72h
0h

Pricing

1 specs
MSRP
$6,100
$725
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Reviews

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

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.

TSAO Baltimore Balt-Pilot Worldtimer Raven

Owners widely praise the TSAO Baltimore Balt-Pilot Worldtimer Raven for its attractive, standout designs, particularly the Raven purple dial, and its retro yet unique aesthetic. The watch is considered lightweight, well-made, and offers excellent value for money, arriving with a slick watch roll and an extra strap. One owner experienced a faulty movement but commended the company's responsive customer service. The box sapphire crystal is noted for its durability. On balance, owners rate the TSAO Baltimore Balt-Pilot Worldtimer Raven highly for its striking design and perceived value.

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