Side by side

Praesidus Jungle Field A-11 JFAvsSeiko Prospex Sea

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

Jungle Field A-11 JFA
PraesidusJungle Field A-11 JFA
MSRP $550
Prospex Sea
SeikoProspex Sea
MSRP $795

At a glance

11 of 29 specs differ
Diameter
Jungle Field A-11 JFA34mm
Prospex Sea34mm
Power Reserve
Jungle Field A-11 JFA40h
Prospex Sea40h
Water Resistance
Jungle Field A-11 JFA50m
Prospex Sea200m
MSRP
Jungle Field A-11 JFA$550
Prospex Sea$795

Full specifications

Case

6 specs
Category
Field
Diver
Thickness
8.7mm
Lug-to-Lug
40.8mm
Lug Width
18mm
16mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Dark Brown Leather
Black
Lume
None
LumiBrite on hands and index(es)

Movement

1 specs
Caliber
TMI VH-31 Meca-Quartz
6N01

Pricing

1 specs
MSRP
$550
$795

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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.

Praesidus Jungle Field A-11 JFA

The Praesidus Jungle Field A-11 JFA is praised for its modern interpretation of a classic military field watch, featuring a 38mm sandblasted case, double-domed sapphire crystal, and 100m water resistance. It is powered by a Miyota 9039 movement with a 42-hour power reserve, and its accuracy is rated at -10/+30 seconds per day, though reviewers note it often runs more accurately in practice. The watch presents a no-nonsense dial with vintage-style lume and Arabic numerals, retailing for $550. On balance, reviewers find the Praesidus Jungle Field A-11 JFA offers vintage charm and solid specifications at its price point.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many appreciating its comfortable wearability due to its case shape and lug-to-lug distance. Reviewers consistently highlight its impressive finishing and classic dive watch design, often noting the bright LumiBrite lume. Some owners find the watch to be large, thick, and heavy, while others consider it the perfect size, indicating a split opinion on wearability for smaller wrists. The power reserve from some movements is noted as less than newer variants, and the clasp quality receives mixed feedback. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional finishing and value proposition in the dive watch market.

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