Side by side

Praesidus Jungle Field A-11 JFAvsSeiko Prospex SPEEDTIMER

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 SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $725

At a glance

13 of 29 specs differ
Diameter
Jungle Field A-11 JFA34mm
Prospex SPEEDTIMER39mm
Power Reserve
Jungle Field A-11 JFA40h
Prospex SPEEDTIMER40h
Water Resistance
Jungle Field A-11 JFA50m
Prospex SPEEDTIMER100m
MSRP
Jungle Field A-11 JFA$550
Prospex SPEEDTIMER$725

Full specifications

Case

7 specs
Category
Field
Chronograph
Diameter
34mm
39mm
Thickness
13.3mm
Lug-to-Lug
45.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
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
V192

Pricing

1 specs
MSRP
$550
$725

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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 SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's gorgeous, unique red dial and vintage-inspired design, finding it a sturdy and reliable everyday watch. Some owners, however, question the value proposition at around $700 for a solar quartz model, citing its 13-15mm thickness and the 24-hour subdial as drawbacks. Accuracy figures vary, with one owner reporting +1/+2 seconds per day, while another notes the V192 solar movement offers a six-month power reserve. Overall, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and versatile chronograph, with its striking dial and everyday wearability being the most frequently cited strengths.

From video reviewers

The Seiko Prospex SPEEDTIMER's solar movement provides reliable power without battery replacements and accurate timekeeping, with a claimed accuracy of ±15 seconds per month. A notable trade-off is the watch's slightly thicker profile and somewhat lacking lume brightness. Reviewers disagree on whether the bezel action is smooth and clicky, with one reviewer praising it and the other not mentioning it.

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