Side by side

Lorier Neptune SIVvsSeiko Monster

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

Neptune SIV
LorierNeptune SIV
MSRP $599
Monster
SeikoMonster
MSRP $550

At a glance

10 of 29 specs differ
Diameter
Neptune SIV39mm
Monster42.4mm
Power Reserve
Neptune SIV40h
Monster41h
Water Resistance
Neptune SIV200m
Monster200m
MSRP
Neptune SIV$599
Monster$550

Full specifications

Case

3 specs
Diameter
39mm
42.4mm
Thickness
13.4mm
Lug-to-Lug
49.4mm

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$599
$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.

Lorier Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

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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