Side by side

Zelos Hammerhead (Tantalum LE)vsPraesidus Jungle Field A-11 JFA

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Jungle Field A-11 JFA
PraesidusJungle Field A-11 JFA
MSRP $550

At a glance

12 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Jungle Field A-11 JFA34mm
Power Reserve
Hammerhead (Tantalum LE)40h
Jungle Field A-11 JFA40h
Water Resistance
Hammerhead (Tantalum LE)300m
Jungle Field A-11 JFA50m
MSRP
Hammerhead (Tantalum LE)$1,499
Jungle Field A-11 JFA$550

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
44mm
34mm
Thickness
13mm
Lug-to-Lug
44mm
Lug Width
22mm
18mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Dark Brown Leather

Movement

2 specs
Caliber
Seiko NH35
TMI VH-31 Meca-Quartz
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,499
$550

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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.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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.

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