Side by side

Grand Seiko SBGN027vsTissot PRC 100 Solar

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

SBGN027
Grand SeikoSBGN027
MSRP $3,700
PRC 100 Solar
TissotPRC 100 Solar
MSRP $575

At a glance

11 of 29 specs differ
Diameter
SBGN02739mm
PRC 100 Solar39mm
Power Reserve
SBGN02740h
PRC 100 Solar40h
Water Resistance
SBGN027200m
PRC 100 Solar100m
MSRP
SBGN027$3,700
PRC 100 Solar$575

Full specifications

Case

5 specs
Category
GMT
Sport
Thickness
12.3mm
9.22mm
Lug-to-Lug
45.9mm
39mm
Lug Width
19mm
20mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
AR Coating
Yes
Inner
Dial Color
Black
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

1 specs
Caliber
9F86

Pricing

1 specs
MSRP
$3,700
$575

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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.

Tissot PRC 100 Solar

Owners and reviewers highlight the Tissot PRC 100 Solar's value and modern, urban aesthetic, with its slim 9.2mm case and good finishing for the price. The solar movement is a key feature, offering a 14-month power reserve and rapid charging capabilities. Some owners find the dial colors a bit uninspired, and the date window placement is disliked, while the second hand's ticking is noted as a drawback compared to automatic movements. The watch's 39mm case is considered versatile, though some prefer a smaller 35-37mm size. Overall, owners and reviewers consider the Tissot PRC 100 Solar a versatile daily wear, particularly for its solar technology and Swiss-made appeal at its price point.

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