Side by side

Zelos Hammerhead (Tantalum LE)vsYema Navygraf Marine Nationale Quartz

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
Navygraf Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

11 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
Hammerhead (Tantalum LE)40h
Navygraf Marine Nationale Quartz40h
Water Resistance
Hammerhead (Tantalum LE)300m
Navygraf Marine Nationale Quartz100m
MSRP
Hammerhead (Tantalum LE)$1,499
Navygraf Marine Nationale Quartz$499

Full specifications

Case

6 specs
Diameter
44mm
39mm
Thickness
13mm
11mm
Lug-to-Lug
44mm
Lug Width
22mm
19mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Standard

Movement

2 specs
Caliber
Seiko NH35
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,499
$499

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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.

Yema Navygraf Marine Nationale Quartz

Owners praise the Yema Navygraf Marine Nationale Quartz for its well-made case, clean legible dial, and comfortable 39mm size, with one noting its thin profile for 300m water resistance. Accuracy figures vary, with one owner reporting +6 seconds per day and another seeing it keep within COSC time. Minor criticisms include a steel bracelet with a slight rattle and sharp edges, bent bracelet pins, and in one instance, crooked dial printing. On balance, owners find the Yema Navygraf Marine Nationale Quartz offers good value and wearability, with its French design and thinner case being key highlights.

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