Side by side

Seiko MonstervsZelos Thresher 41 GMT

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

Monster
SeikoMonster
MSRP $550
Thresher 41 GMT
ZelosThresher 41 GMT
MSRP $729

At a glance

12 of 29 specs differ
Diameter
Monster42.4mm
Thresher 41 GMT41mm
Power Reserve
Monster41h
Thresher 41 GMT40h
Water Resistance
Monster200m
Thresher 41 GMT200m
MSRP
Monster$550
Thresher 41 GMT$729

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
42.4mm
41mm
Thickness
13.4mm
11.5mm
Lug-to-Lug
49.4mm
41mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Hardlex
Domed Sapphire
Dial Color
Black
Damascus LE
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R36
Miyota 9075 GMT
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$550
$729

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

Zelos Thresher 41 GMT

Owners widely praise the Zelos Thresher 41 GMT for its creative design, titanium construction, and excellent lume. Some find the worldtimer bezel busy and the GMT function less easy to read, while others note the double Mother of Pearl dial's dynamic color shifts can be reflective in direct sun. The bezel-based world timer requires manual adjustment and allows for independent GMT use. Overall, owners rate the Zelos Thresher 41 GMT highly for its unique titanium build and striking dial at its price point.

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