Farr + Swit Wayfinder Diver 40vsGrand Seiko SBGP015
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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.

Wayfinder Diver 40

SBGP015
Diameter
40mm
40mm
Lug-to-Lug
48mm
47.1mm
lowest
Thickness
11.5mm
lowest
12.4mm
Water Resistance
300m
highest
200m
MSRP
$499
lowest
$3,800
Movement
Seiko VH31
Grand Seiko 9F85
Case
3 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Farr + Swit Wayfinder Diver 40's incredible lume on the map dial, especially at night, and note the durability of the NATO strap. However, the full lume dial is also described by some as difficult to use. On balance, owners rate the Farr + Swit Wayfinder Diver 40 highly for its striking lume and comfortable, durable strap.
Owners widely praise the Grand Seiko SBGP015 for its exceptional dial print, which casts sharp shadows under light, and its versatility, classiness, and substantial feel. The Grand Seiko 9F85 quartz movement is noted for excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is 40mm with 200m water resistance. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and reliable quartz movement.
The high accuracy of the Caliber 9F85 quartz movement is a significant strength. Reviewers noted the movement's ±10 seconds per year accuracy. The limited 100-meter water resistance was cited as a potential drawback.
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