Side by side

Jack Mason Pursuit ProvsSeiko Prospex Sea

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

Pursuit Pro
Jack MasonPursuit Pro
MSRP $1,399
Prospex Sea
SeikoProspex Sea
MSRP $625
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.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

At a glance

13 of 29 specs differ
Diameter
Pursuit Pro40mm
Prospex Sea43.8mm
Power Reserve
Pursuit Pro68h
Prospex Sea41h
Water Resistance
Pursuit Pro200m
Prospex Sea200m
MSRP
Pursuit Pro$1,399
Prospex Sea$625

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
43.8mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
La Joux-Perret G101
4R35
Power Reserve
68h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$1,399
$625
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