Side by side

Formex Essence FortythreevsSeiko Prospex Sea 1968 Heritage Diver's GMT

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 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

12 of 29 specs differ
Diameter
Essence Fortythree43mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Essence Fortythree38h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Essence Fortythree100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Essence Fortythree$1,850
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
43mm
42mm
Thickness
10.6mm
12.9mm
Lug-to-Lug
49mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
100m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200-1
6R54
Power Reserve
38h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,850
$1,500
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