Side by side

Peren OnevsSeiko Prospex SPEEDTIMER

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

One
PerenOne
MSRP $449
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $2,200

At a glance

14 of 29 specs differ
Diameter
One40.6mm
Prospex SPEEDTIMER42mm
Power Reserve
One
Prospex SPEEDTIMER40h
Water Resistance
One200m
Prospex SPEEDTIMER100m
MSRP
One$449
Prospex SPEEDTIMER$2,200

Full specifications

Case

6 specs
Category
Chronograph
Diameter
40.6mm
42mm
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
49.6mm
Lug Width
20mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Dark Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Seiko VK64
5X83
Power Reserve
40h
Jewels
25
14

Pricing

1 specs
MSRP
$449
$2,200

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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.

Peren One

The Peren One chronograph is praised for its blend of minimalist and retro styling, featuring a clean bi-compax dial with applied indices and diamond-cut hands. Reviewers note its detailed dial execution, thoughtful case and bracelet finishing, and the use of applied Globolight markers with BGW9 Super-LumiNova. The watch utilizes a Seiko VK64 mecha-quartz movement, offering quartz accuracy with a mechanical chronograph feel, and boasts a 200-meter water resistance rating within its 40.6mm steel case. Overall, reviewers highlight the Peren One's strong value proposition driven by its design and finishing.

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.

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