Side by side

Sternglas MerionvsSeiko Monster

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

Merion
SternglasMerion
MSRP $701
Monster
SeikoMonster
MSRP $550

At a glance

10 of 29 specs differ
Diameter
Merion41mm
Monster42.4mm
Power Reserve
Merion41h
Monster41h
Water Resistance
Merion200m
Monster200m
MSRP
Merion$701
Monster$550

Full specifications

Case

3 specs
Diameter
41mm
42.4mm
Thickness
14mm
13.4mm
Lug-to-Lug
49mm
49.4mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
Luminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko TMI NH35
4R36
Power Reserve
41h
41h
Jewels
24

Pricing

1 specs
MSRP
$701
$550

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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.

Sternglas Merion

The value proposition of the Sternglas Merion is consistently praised by reviewers. Reviewers disagree on whether the Sternglas Merion is the best dive watch under €500.

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.

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