Side by side

Seiko Prospex SeavsYema Navygraf Chrono

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

Prospex Sea
SeikoProspex Sea
MSRP $795
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

14 of 29 specs differ
Diameter
Prospex Sea34mm
Navygraf Chrono40mm
Power Reserve
Prospex Sea40h
Navygraf Chrono40h
Water Resistance
Prospex Sea200m
Navygraf Chrono100m
MSRP
Prospex Sea$795
Navygraf Chrono$1,999

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
34mm
40mm
Thickness
8.7mm
13.9mm
Lug-to-Lug
40.8mm
Lug Width
16mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
6N01
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$795
$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 Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many appreciating its comfortable wearability due to its case shape and lug-to-lug distance. Reviewers consistently highlight its impressive finishing and classic dive watch design, often noting the bright LumiBrite lume. Some owners find the watch to be large, thick, and heavy, while others consider it the perfect size, indicating a split opinion on wearability for smaller wrists. The power reserve from some movements is noted as less than newer variants, and the clasp quality receives mixed feedback. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional finishing and value proposition in the dive watch market.

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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