Jack Mason Pursuit ProvsSeiko Prospex Sea

Add a watch

Jack Mason Pursuit Pro

MSRP $1,399

See the full watch

Buy from Jack Mason Used on eBay

Seiko Prospex Sea

MSRP $900

See the full watch

Buy from Seiko Used on eBay

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Pursuit Pro

Prospex Sea

Diameter

Across the case, crown excluded.

40mm

41mm

Lug-to-Lug

The number that decides fit.

47mm

46.9mm

lowest

Thickness

How it sits under a cuff.

12.5mm

12.3mm

lowest

Water Resistance

Rated in meters.

200m

Power Reserve

How long it runs off the wrist.

68h

70h

highest

MSRP

Sticker price, new.

$1,399

$900

lowest

Movement

What drives the hands.

La Joux-Perret G101

Seiko 6R35

Spec

Pursuit Pro

Prospex Sea

Case

4 specs

Diameter

40mm

41mm

Thickness

12.5mm

12.3mm

Lug-to-Lug

47mm

46.9mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

4 specs

Crystal Shape

n/a

Curved

AR Coating

n/a

Anti-reflective coating on inner surface

Dial Color

n/a

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

La Joux-Perret G101

Seiko 6R35

Power Reserve

68h

70h

Jewels

Pricing

1 specs

MSRP

$1,399

$900

Keep your wishlist and collection together in the appExplore the app

Get the app Get the app

Reviews

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 robust build quality and value, with reviewers highlighting its scratch-resistant case, grippy 120-click ceramic bezel, and excellent nighttime legibility from its Lumicast lume. The watch features a La Joux-Perret G101 automatic movement regulated in-house to ±5 seconds per day. Some owners suggest other brands for perceived reliability, and one notes the lume is not as strong as a specific Seiko model. Overall, owners and reviewers rate the Jack Mason Pursuit Pro highly for its capable tool watch design and strong value proposition.

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.

Owners widely praise the Seiko Prospex Sea for its value and robust build, with many highlighting its excellent lume and attractive design. Some owners find the 41mm case size perfect, while others with smaller wrists consider it too large, thick, and heavy. The stock rubber strap is noted as uncomfortable for land wear by one owner. Overall, owners rate the Seiko Prospex Sea highly for its design and value at the price point.