Side by side

Seiko Prospex SeavsYema Navygraf Marine Nationale GMT Paris

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

Prospex Sea
SeikoProspex Sea
MSRP $625
Navygraf Marine Nationale GMT Paris
YemaNavygraf Marine Nationale GMT Paris
MSRP $944

At a glance

13 of 29 specs differ
Diameter
Prospex Sea43.8mm
Navygraf Marine Nationale GMT Paris39mm
Power Reserve
Prospex Sea41h
Navygraf Marine Nationale GMT Paris40h
Water Resistance
Prospex Sea200m
Navygraf Marine Nationale GMT Paris100m
MSRP
Prospex Sea$625
Navygraf Marine Nationale GMT Paris$944

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
43.8mm
39mm
Thickness
12.8mm
Lug-to-Lug
48.7mm
Lug Width
22mm
20mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
4R35
Power Reserve
41h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$625
$944

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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.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

Yema Navygraf Marine Nationale GMT Paris

Owners widely praise the Yema Navygraf Marine Nationale GMT Paris as a standout design within the brand's recent offerings and a compelling alternative to higher-priced models, with one owner reporting zero issues. The steel version is a 39mm tool watch with pencil-shaped hands and white indices for legibility. It features Yema's YEMA2000 movement, offering ±10 seconds per day accuracy and a 42-hour power reserve, with 300-meter water resistance. Overall, owners rate the Yema Navygraf Marine Nationale GMT Paris highly for its appealing design and solid performance at its price point.

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