Side by side

Formex Essence FortyOnevsSeiko King Turtle

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

Essence FortyOne
FormexEssence FortyOne
MSRP $1,890
King Turtle
SeikoKing Turtle
MSRP $650
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.

Seiko King Turtle

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many appreciating its faithful recreation of classic designs and proven movements like the 4R36 and 6R15. Reviewers highlight impressive case finishing and durability, noting that even larger models wear smaller than expected due to thoughtful case design. Some owners find the solar quartz models a great entry point, appreciating their design and solar functionality. However, specific variants receive critiques: the bracelet clasp on the Samurai is described as underwhelming, and the Sumo's bracelet width and clasp are seen as too narrow and rudimentary, respectively. The SPB183 is considered expensive for a Japanese watch, and its lume is noted as not quite matching older Seiko Monster models. The GMT function on the SPB519 is deemed less practical for serious travel, and its bezel clicks are described as quieter and mushier.

At a glance

11 of 29 specs differ
Diameter
Essence FortyOne41mm
King Turtle45mm
Power Reserve
Essence FortyOne41h
King Turtle41h
Water Resistance
Essence FortyOne100m
King Turtle200m
MSRP
Essence FortyOne$1,890
King Turtle$650

Full specifications

Case

5 specs
Category
Dress
Diver
Diameter
41mm
45mm
Thickness
10.6mm
13.2mm
Lug-to-Lug
46.5mm
47.7mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Arctic White
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Sellita SW200-1
Seiko 4R36
Jewels
25
24

Pricing

1 specs
MSRP
$1,890
$650
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