Side by side

Grand Seiko SBGN027vsGrand Seiko SBGP015

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

SBGN027
Grand SeikoSBGN027
MSRP $3,700
SBGP015
Grand SeikoSBGP015
MSRP $3,800

At a glance

7 of 29 specs differ
Diameter
SBGN02739mm
SBGP01540mm
Power Reserve
SBGN02740h
SBGP01540h
Water Resistance
SBGN027200m
SBGP015200m
MSRP
SBGN027$3,700
SBGP015$3,800

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
40mm
Thickness
12.3mm
12.4mm
Lug-to-Lug
45.9mm
47.1mm
Lug Width
19mm
20mm

Movement

1 specs
Caliber
9F86
9F85

Pricing

1 specs
MSRP
$3,700
$3,800

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What people say

Owners + reviewers, side by side

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

Grand Seiko SBGN027

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

Grand Seiko SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

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