Side by side

Jack Mason Pursuit ProvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500
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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

12 of 29 specs differ
Diameter
Pursuit Pro40mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Pursuit Pro68h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Pursuit Pro200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Pursuit Pro$1,399
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
42mm
Thickness
12.5mm
12.9mm
Lug-to-Lug
47mm
48.6mm
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
6R54
Power Reserve
68h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,399
$1,500
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