Side by side

Seiko Prospex SeavsZelos Thresher 44

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

Prospex Sea
SeikoProspex Sea
MSRP $1,500
Thresher 44
ZelosThresher 44
MSRP $549

At a glance

13 of 29 specs differ
Diameter
Prospex Sea43.5mm
Thresher 4444mm
Power Reserve
Prospex Sea70h
Thresher 4440h
Water Resistance
Prospex Sea200m
Thresher 44500m
MSRP
Prospex Sea$1,500
Thresher 44$549

Full specifications

Case

5 specs
Diameter
43.5mm
44mm
Thickness
13.3mm
12.8mm
Lug-to-Lug
51mm
44mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
500m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Grey
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
6R35
Miyota 9015
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,500
$549

Follow this matchup

Get a note when Seiko Prospex Sea vs Zelos Thresher 44 gets more votes, a community discussion, or a price drop. No account needed.

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 owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

Zelos Thresher 44

Owners widely praise the Zelos Thresher 44, with one owner noting its finish has proven remarkably scratch-resistant. However, one owner found the finishing on their hammered grey variant not as well done as expected. The Zelos Thresher 44 with an agate dial sold out in 90 seconds, with one owner receiving theirs and noting the bracelet was fully wrapped. Overall, owners rate the Zelos Thresher 44 highly for its desirability and scratch-resistant finish.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.