Side by side

Formex Field AutomaticvsSeiko Prospex Sea

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

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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 Field Automatic

Owners widely praise the Formex Field Automatic for its lightweight, scratch-resistant Grade 2 titanium case with a hardening treatment and its comfortable wearability, especially with quick-release straps and a carbon clasp. Reviewers and owners alike highlight the dial's legibility and depth, with one noting the Petrol Blue's great color and subtle texture. The Sellita SW200-1 movement is considered a practical choice, with one owner reporting accuracy of +1 second per day. The watch offers 150m water resistance and is seen as good value under $1000. Some owners desire a matching titanium bracelet and find the numeral typography less appealing. Overall, owners and reviewers rate the Formex Field Automatic highly for its robust, comfortable titanium construction and functional dial design at its price point.

From video reviewers

The titanium case construction and the sandwich dial are consistently praised. Reviewers noted a perceived "corner cut" and questioned the value at its price point.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

12 of 29 specs differ
Diameter
Field Automatic40mm
Prospex Sea41.7mm
Power Reserve
Field Automatic41h
Prospex Sea41h
Water Resistance
Field Automatic150m
Prospex Sea200m
MSRP
Field Automatic$881
Prospex Sea$595

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
40mm
41.7mm
Thickness
10.6mm
12.3mm
Lug-to-Lug
46.6mm
49.5mm
Material
Titanium
Stainless Steel
Water Resistance
150m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Ash Grey
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

2 specs
Caliber
Sellita SW200-1
Seiko 4R35
Jewels
0
23

Pricing

1 specs
MSRP
$881
$595
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