Isotope FlywayvsGrand Seiko SBGH347
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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.
Flyway
SBGH347
Diameter
36mm
37mm
Lug-to-Lug
42mm
lowest
44.6mm
Thickness
12.3mm
lowest
13.3mm
Water Resistance
100m
100m
Power Reserve
68h
highest
55h
MSRP
$1,708
lowest
$7,300
Movement
La Joux-Perret G101
Grand Seiko 9S85
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners appreciate the Isotope Flyway's design, with one owner calling it a good introduction to microbrands. However, opinions are split on the bezel; one reviewer finds the Clous de Paris bezel breaks the design language, while one owner considers it too fancy. Overall, owners and reviewers find the Isotope Flyway appealing for its design, despite differing views on the bezel's aesthetic.
The 36mm case size is cited as a strength for wearability. The Landeron automatic movement is mentioned as a notable feature. No shared weaknesses were identified.
The Grand Seiko SBGH347 is praised for its refined 37mm Ever-Brilliant Steel case, impressive Zaratsu polishing, and classy ice-blue dial inspired by frozen waterfalls. Its Hi-Beat 9S85 movement is a significant draw, and the framed date window is preferred over a cyclops. Reviewers note its $6,900 price point offers good value for the elevated finish and light play. However, its 13.3mm thickness is considered noticeable on the compact 37mm case, and the bracelet lacks micro-adjustment or a quick-change system. On balance, reviewers rate the Grand Seiko SBGH347 highly for its faithful re-edition design, impressive finishing, and unique dial at the price point.
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