Side by side

Jack Mason Pursuit ProvsSeiko Prospex SPEEDTIMER Mechanical

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Jack Mason Pursuit Pro

Owners widely praise the Jack Mason Pursuit Pro's build quality for its price point and its impressive Lumicast Super-LumiNova lume, which provides excellent nighttime legibility. Reviewers highlight its scratch-resistant case, grippy 120-click ceramic bezel, and the La Joux-Perret G101 automatic movement, regulated in-house to ±5 seconds per day. Some owners suggest other brands for perceived greater reliability, and one notes the lume is not as strong as a Seiko Turtle's. The Jack Mason Pursuit Pro is priced at $1,399. Overall, owners and reviewers rate the Jack Mason Pursuit Pro highly for its robust tool watch design and excellent lume at the price.

From video reviewers

The La Joux-Perret G101 movement with a 68-hour power reserve is a shared strength. Reviewers were split on the lume performance, with some finding it exceptionally bright and others describing it as underwhelming.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

At a glance

13 of 29 specs differ
Diameter
Pursuit Pro40mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Pursuit Pro68h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Pursuit Pro200m
Prospex SPEEDTIMER Mechanical200m
MSRP
Pursuit Pro$1,399
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

5 specs
Category
Chronograph
Diameter
40mm
39.5mm
Thickness
12.5mm
12mm
Lug-to-Lug
47mm
44.5mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
La Joux-Perret G101
6R55
Power Reserve
68h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,399
$995
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