Side by side

Seiko Prospex LX linevsYema Navygraf Chrono

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

Prospex LX line
SeikoProspex LX line
MSRP $5,500
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

16 of 29 specs differ
Diameter
Prospex LX line44.8mm
Navygraf Chrono40mm
Power Reserve
Prospex LX line72h
Navygraf Chrono40h
Water Resistance
Prospex LX line200m
Navygraf Chrono100m
MSRP
Prospex LX line$5,500
Navygraf Chrono$1,999

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
44.8mm
40mm
Thickness
14.7mm
13.9mm
Lug-to-Lug
50.9mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Super-clear coating
Inner
Dial Color
Black
Navy
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
5R66
Type
Spring Drive
Automatic
Power Reserve
72h
40h
Jewels
30
25

Pricing

1 specs
MSRP
$5,500
$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.

Seiko Prospex LX line

Owners widely report the dial's blue-green sunburst is phenomenal, and the sapphire glass features blue AR coating. Some owners feel the high price limits discounts and sales, with one AD noting extremely low sales due to the cost. One owner reported DLC peeling off a two-week-old watch, and another noted quality control issues like bezel inserts and fallen second hands. On balance, owners consider the Seiko Prospex LX line a nicely built watch, though pricing led to poor sales and its discontinuation.

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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