Side by side

Seiko MonstervsYema Navygraf Marine Nationale GMT Paris

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

Monster
SeikoMonster
MSRP $550
Navygraf Marine Nationale GMT Paris
YemaNavygraf Marine Nationale GMT Paris
MSRP $944

At a glance

12 of 29 specs differ
Diameter
Monster42.4mm
Navygraf Marine Nationale GMT Paris39mm
Power Reserve
Monster41h
Navygraf Marine Nationale GMT Paris40h
Water Resistance
Monster200m
Navygraf Marine Nationale GMT Paris100m
MSRP
Monster$550
Navygraf Marine Nationale GMT Paris$944

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
42.4mm
39mm
Thickness
13.4mm
Lug-to-Lug
49.4mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Dial Color
Black
Paris
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R36
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$550
$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 Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

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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