Side by side

Grand Seiko SLGB023vsYema Navygraf Chrono

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

SLGB023
Grand SeikoSLGB023
MSRP $12,400
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

14 of 29 specs differ
Diameter
SLGB02340.8mm
Navygraf Chrono40mm
Power Reserve
SLGB02372h
Navygraf Chrono40h
Water Resistance
SLGB023300m
Navygraf Chrono100m
MSRP
SLGB023$12,400
Navygraf Chrono$1,999

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40.8mm
40mm
Thickness
12.9mm
13.9mm
Lug-to-Lug
48.5mm
Lug Width
21mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Navy

Movement

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

Pricing

1 specs
MSRP
$12,400
$1,999

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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 Chrono

Owners praise the Yema Navygraf Chrono for its handsome, versatile design and the value offered by its Valjoux 7750 movement. A reviewer notes the 40mm case's fully polished finish, which some feel clashes with its sporty aesthetic, and mentions its 13.9mm thickness is noticeable. One owner reported wearing the Yema Navygraf Chrono for two months without issues, receiving compliments. On balance, owners and reviewers find the Yema Navygraf Chrono to be a good-looking and well-specced watch for its price.

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