Side by side

Straton Straton Curve Chrono MKIIvsSeiko Prospex Sea

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

Straton Curve Chrono MKII
StratonStraton Curve Chrono MKII
MSRP $1,099
Prospex Sea
SeikoProspex Sea
MSRP $795

At a glance

19 of 29 specs differ
Diameter
Straton Curve Chrono MKII42mm
Prospex Sea34mm
Power Reserve
Straton Curve Chrono MKII
Prospex Sea40h
Water Resistance
Straton Curve Chrono MKII100m
Prospex Sea200m
MSRP
Straton Curve Chrono MKII$1,099
Prospex Sea$795

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
42mm
34mm
Thickness
13.9mm
8.7mm
Lug-to-Lug
47.4mm
40.8mm
Lug Width
22mm
16mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Stamped Design with Wheel
Solid

Crystal & Dial

5 specs
Crystal Shape
Domed
Flat
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
NE86
6N01
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$1,099
$795

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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.

Straton Curve Chrono MKII

The watch offers a retro motorsport aesthetic with a quality finish and well-chosen movements at an affordable price. Reviewers did not agree on any specific weaknesses.

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.

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