Grand Seiko SBGM245vsNodus Sector II 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.

Grand Seiko SBGM245 at true scale

SBGM245

Nodus Sector II GMT at true scale

Sector II GMT

Diameter

40.5mm

38mm

Lug-to-Lug

48.6mm

47mm

lowest

Thickness

14.4mm

11.9mm

lowest

Water Resistance

200m

highest

100m

Power Reserve

72h

highest

41h

MSRP

$6,100

$525

lowest

Movement

Grand Seiko 9S66

Seiko NH34

Case

4 specs
Diameter
40.5mm
38mm
Thickness
14.4mm
11.9mm
Lug-to-Lug
48.6mm
47mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal Shape
n/a
Domed
Dial Color
n/a
n/a
Lume
None
Swiss Super-LumiNova® BGW9 Grade A

Movement

3 specs
Caliber
Grand Seiko 9S66
Seiko NH34
Power Reserve
72h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$6,100
$525
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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.

Nodus Sector II GMT

The Nodus Sector II GMT is widely praised for its refined design, impressive lume, and excellent finishing for its price point, with owners noting its toolish aesthetic and versatility. Reviewers highlight its compelling value around $450-$500 and a sapphire crystal with AR coating. Some owners express a desire for lume on the GMT hand and prefer a bi-directional GMT bezel over the fixed 120-click dive timing bezel, while others find the Seiko NH34 movement overpriced for the cost. Accuracy figures range from +5 seconds per day to unspecified. Overall, owners and reviewers rate the Nodus Sector II GMT highly for its versatile design and strong finishing at a compelling price.

From video reviewers

The Nodus Sector II GMT's case finishing is a notable strength. Reviewers found the lume to be less impressive than expected.

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