Side by side

Seiko Prospex SeavsDOXA SUB 250T GMT

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.

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.

DOXA SUB 250T GMT

The DOXA SUB 250T GMT is widely praised for its compact and wearable 40mm case, with reviewers noting its slim 10.85mm thickness and short lug-to-lug measurement, making it comfortable on most wrists. Its precise bezel action is described as satisfying, and the watch offers 250 meters of water resistance. The inclusion of a GMT complication is seen as a valuable addition to Doxa's utilitarian dive watch design. However, the skeletonized GMT hand is a point of contention, with some reviewers finding it quirky and less intuitive, especially when compared to the minute hand, though others note it looks better in person and is easily ignored for diving. One reviewer expressed a preference for a "flier-style" movement for a dedicated travel watch. Limited editions are noted as having a slight price premium. The Sellita SW330-2 movement is generally mentioned, with power reserve figures varying between 50 and 56 hours.

From video reviewers

The watch's refined and wearable 42mm case size is a strength. Reviewers noted the iconic Doxa aesthetic combined with GMT functionality. No shared weaknesses were identified.

At a glance

11 of 29 specs differ
Diameter
Prospex Sea41.3mm
SUB 250T GMT40mm
Power Reserve
Prospex Sea72h
SUB 250T GMT50h
Water Resistance
Prospex Sea300m
SUB 250T GMT250m
MSRP
Prospex Sea$1,100
SUB 250T GMT$2,790

Full specifications

Case

4 specs
Diameter
41.3mm
40mm
Thickness
12.5mm
12mm
Lug-to-Lug
48.2mm
46mm
Water Resistance
300m
250m

Crystal & Dial

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

Movement

3 specs
Caliber
6R55
Power Reserve
72h
50h
Jewels
24
25

Pricing

1 specs
MSRP
$1,100
$2,790
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