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Formex Essence FortyOnevsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

Essence FortyOne
FormexEssence FortyOne
MSRP $1,890
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 Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is praised for its beautiful design and refinement over previous models, featuring vertically textured glacier-inspired dials. Owners, however, consider the €1500 RRP too high, suggesting a price closer to €900-€1000, noting the aluminum bezel insert instead of ceramic. Some owners report the 6R movement runs slow. On balance, owners find the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition beautiful and a refinement, but the price and aluminum bezel are points of contention.

At a glance

14 of 29 specs differ
Diameter
Essence FortyOne41mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
Essence FortyOne41h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
Essence FortyOne100m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
Essence FortyOne$1,890
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
41mm
42.7mm
Thickness
10.6mm
13.2mm
Lug-to-Lug
46.5mm
46.4mm
Lug Width
22mm
20mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Arctic White
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
6R35
Power Reserve
41h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$1,890
$1,350
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