Side by side

Seiko Prospex SPEEDTIMERvsStraton Straton Curve Chrono MKII

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

Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $2,200
Straton Curve Chrono MKII
StratonStraton Curve Chrono MKII
MSRP $1,099

At a glance

16 of 29 specs differ
Diameter
Prospex SPEEDTIMER42mm
Straton Curve Chrono MKII42mm
Power Reserve
Prospex SPEEDTIMER40h
Straton Curve Chrono MKII
Water Resistance
Prospex SPEEDTIMER100m
Straton Curve Chrono MKII100m
MSRP
Prospex SPEEDTIMER$2,200
Straton Curve Chrono MKII$1,099

Full specifications

Case

6 specs
Thickness
12.9mm
13.9mm
Lug-to-Lug
49.6mm
47.4mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid
Stamped Design with Wheel

Crystal & Dial

5 specs
Crystal Shape
Curved
Domed
AR Coating
Super-clear coating
Yes
Dial Color
Black
Indices
Applied
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
5X83
NE86
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
14
0

Pricing

1 specs
MSRP
$2,200
$1,099

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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 SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its unique dial colors and vintage-inspired design, with many appreciating its compact 39mm case size and 100m or 200m water resistance. Reviewers and owners note the V192 solar movement’s power reserve indicator and its reliability, though some owners express a preference for automatic movements. One owner finds the $700 price for a solar quartz model expensive, while another criticizes the €860 price point and desires a thinner case and a bracelet with quick-release or micro-adjustment. On balance, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its distinctive aesthetic and versatile wearability, despite some reservations about its price and case thickness.

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.

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