Side by side

Formex Essence FortythreevsSeiko Prospex Sea

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

Essence Fortythree
FormexEssence Fortythree
MSRP $1,850
Prospex Sea
SeikoProspex Sea
MSRP $1,500
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 Fortythree

Owners widely praise the Formex Essence Fortythree for its comfortable wearability, excellent finishing for its price point, and a dial that plays well with light, with one owner noting the blue dial's variable appearance. The bracelet's micro-adjust system is functional, and the leather strap and deployant are considered exceptional. Reviewers highlight the watch's legible design and slim 10mm case, noting its significant value under $1,300. Some find the dial design derivative and the hardware-style logo out of place, while others consider the white dial stark. Consumer confusion exists regarding COSC versus non-COSC movement options. On balance, owners and reviewers rate the Formex Essence Fortythree highly for its luxury-level finishing and comfortable, value-driven design.

Seiko Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

At a glance

12 of 29 specs differ
Diameter
Essence Fortythree43mm
Prospex Sea43.5mm
Power Reserve
Essence Fortythree38h
Prospex Sea70h
Water Resistance
Essence Fortythree100m
Prospex Sea200m
MSRP
Essence Fortythree$1,850
Prospex Sea$1,500

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
43mm
43.5mm
Thickness
10.6mm
13.3mm
Lug-to-Lug
49mm
51mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
6R35
Power Reserve
38h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$1,850
$1,500
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