Side by side

Grand Seiko SLGB023vsYema Navygraf Marine Nationale GMT Paris

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

SLGB023
Grand SeikoSLGB023
MSRP $12,400
Navygraf Marine Nationale GMT Paris
YemaNavygraf Marine Nationale GMT Paris
MSRP $944

At a glance

13 of 29 specs differ
Diameter
SLGB02340.8mm
Navygraf Marine Nationale GMT Paris39mm
Power Reserve
SLGB02372h
Navygraf Marine Nationale GMT Paris40h
Water Resistance
SLGB023300m
Navygraf Marine Nationale GMT Paris100m
MSRP
SLGB023$12,400
Navygraf Marine Nationale GMT Paris$944

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40.8mm
39mm
Thickness
12.9mm
Lug-to-Lug
48.5mm
Lug Width
21mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Paris

Movement

3 specs
Caliber
9RB1
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$12,400
$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.

Grand Seiko SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

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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