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.

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 Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

At a glance

12 of 29 specs differ
Diameter
Pursuit Pro40mm
Prospex Sea41.3mm
Power Reserve
Pursuit Pro68h
Prospex Sea72h
Water Resistance
Pursuit Pro200m
Prospex Sea300m
MSRP
Pursuit Pro$1,399
Prospex Sea$1,100

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
41.3mm
Lug-to-Lug
47mm
48.2mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$1,399
$1,100
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