Side by side

Formex Essence FortyOnevsGrand Seiko SLGB005

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

Essence FortyOne
FormexEssence FortyOne
MSRP $1,890
SLGB005
Grand SeikoSLGB005
MSRP $11,100

At a glance

11 of 29 specs differ
Diameter
Essence FortyOne41mm
SLGB00537mm
Power Reserve
Essence FortyOne41h
SLGB00572h
Water Resistance
Essence FortyOne100m
SLGB005100m
MSRP
Essence FortyOne$1,890
SLGB005$11,100

Full specifications

Case

4 specs
Diameter
41mm
37mm
Thickness
10.6mm
11.4mm
Lug-to-Lug
46.5mm
44.3mm
Lug Width
22mm
20mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Arctic White
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW200-1
9RB2
Type
Automatic
Spring Drive
Power Reserve
41h
72h

Pricing

1 specs
MSRP
$1,890
$11,100

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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.

Formex Essence FortyOne

Owners widely praise the Formex Essence for its comfortable bracelet, excellent finishing, and slim wearability, with some considering it the best in its price range. Reviewers highlight its compelling value, sporty-chic aesthetic, and build quality that suggests a more expensive product, noting the patented suspension system and chronometer-certified movement. Some owners dislike the brand name and logo, and the dial design is considered derivative by some. The 43mm case wears well due to its 10mm thickness and 49mm lug-to-lug, though some find it large on smaller wrists. A point of contention for some is the non-screw-down crown, despite its 100m water resistance. Overall, owners and reviewers rate the Formex Essence highly for its exceptional comfort and build quality at its price point.

Grand Seiko SLGB005

The Grand Seiko SLGB005 is widely praised for its stunning "Ice Forest" smoked purple dial, inspired by frost-covered trees, and its compact 37mm Ever-Brilliant Steel case. It is powered by the 9RB2 Spring Drive caliber, noted for its exceptional accuracy of ±3 seconds per month or ±20 seconds per year, and offers a 72-hour power reserve. Reviewers consistently highlight the dial's mesmerizing beauty and the case's sculpted design as significant strengths. However, multiple sources express disappointment that the Grand Seiko SLGB005 omits the micro-adjustment clasp found on other models, especially considering its $11,100 price point, though one reviewer found this did not detract from wearability. Overall, reviewers rate the Grand Seiko SLGB005 highly for its visually arresting dial and precise Spring Drive movement, despite the clasp oversight.

From video reviewers

The watch features a ±3 seconds per month accurate Ultra Fine Accuracy Calibre 9RB2 movement. The Ever-Brilliant Steel finish has polishing flaws that detract from the watch's appearance. Reviewers disagree on the movement's accuracy, with one reviewer citing ±3 seconds per month and another ±10 seconds per month.

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