Grand Seiko SBGN027vsSmiths SPEEDBIRD GMT PRS-22GMTQ

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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 SBGN027 at true scale

SBGN027

Smiths SPEEDBIRD GMT PRS-22GMTQ at true scale

SPEEDBIRD GMT PRS-22GMTQ

Diameter

39mm

36mm

Lug-to-Lug

45.9mm

42.5mm

lowest

Thickness

12.3mm

11.6mm

lowest

Water Resistance

200m

highest

100m

MSRP

$3,700

n/a

Movement

Grand Seiko 9F86

Ronda 515.24H

Case

5 specs
Diameter
39mm
36mm
Thickness
12.3mm
11.6mm
Lug-to-Lug
45.9mm
42.5mm
Lug Width
19mm
18mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
n/a
Sapphire
AR Coating
Yes
n/a
Dial Color
n/a
Black
Lume
None
C3

Movement

2 specs
Caliber
Grand Seiko 9F86
Ronda 515.24H
Power Reserve
0h
n/a

Pricing

1 specs
MSRP
$3,700
n/a
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Reviews

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

Grand Seiko SBGN027

Grand Seiko SBGN027 owners widely praise its compact 39mm size, Zaratsu polishing, and true GMT complication from its HAQ 9F86 quartz movement, noting its excellent accuracy of +/- 10 seconds per year. The watch is also lauded for its thin profile, grab-and-go suitability, and attractive "jewelry look." However, some users report issues such as limited lume, a GMT hand that can be mistaken for the minute hand, and a bezel index that disappeared on one example after a few months. The bracelet's lack of micro-adjustments is a recurring point of annoyance, and some find the design too plain or dress-casual. Overall, owners rate the Grand Seiko SBGN027 highly for its exceptional finishing and accurate HAQ GMT movement in a versatile, compact package.

Smiths SPEEDBIRD GMT PRS-22GMTQ

Owners praise the Smiths SPEEDBIRD GMT PRS-22GMTQ for its value and dial balance, noting its straightforward quartz field watch utility in a 36mm case. Some owners appreciate the appeal of a small quartz GMT, though others express a desire for an automatic movement. The watch is expected to be priced below £450 due to its Ronda quartz movement. On balance, owners rate the Smiths SPEEDBIRD GMT PRS-22GMTQ highly for its value and functional design as a quartz field watch with GMT capability.

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