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 $750
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 design, with specific mentions of its beautiful ice blue sundial and compact 39mm case size, which some note wears smaller than its specifications due to a short lug-to-lug distance. Reviewers highlight its racing-inspired aesthetic and versatility, with one owner finding the 39mm solar model a sturdy and reliable everyday watch with 100m water resistance. However, some owners question the value proposition, citing the $700 price for a solar quartz model and a thickness of 13mm, while others expressed a preference for automatic movements. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER's attractive vintage-inspired design and compact wearability, though some debate its value and thickness for a solar quartz chronograph.

At a glance

13 of 29 specs differ
Diameter
Jungle Field A-11 JFA34mm
Prospex SPEEDTIMER41.4mm
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$750

Full specifications

Case

7 specs
Category
Field
Chronograph
Diameter
34mm
41.4mm
Thickness
13mm
Lug-to-Lug
45.9mm
Lug Width
18mm
21mm
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
$750
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