Side by side

Praesidus Neptune 44vsSeiko Monster

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

Neptune 44
PraesidusNeptune 44
MSRP $550
Monster
SeikoMonster
MSRP $550

At a glance

11 of 29 specs differ
Diameter
Neptune 4444mm
Monster42.4mm
Power Reserve
Neptune 4440h
Monster41h
Water Resistance
Neptune 44200m
Monster200m
MSRP
Neptune 44$550
Monster$550

Full specifications

Case

5 specs
Diameter
44mm
42.4mm
Thickness
13.4mm
Lug-to-Lug
49.4mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
4R36
Power Reserve
40h
41h
Jewels
25
24

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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.

Praesidus Neptune 44

The dial details and historical elements, including fragments from Iwo Jima battlefield relics, are praised. The bracelet exhibits rattle. Reviewers disagree on the use of faux patina on the dial.

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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