Side by side

Monta Noble 40vsSeiko Prospex Sea

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

What people say

Owners + reviewers, side by side

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

Monta Noble 40

Owners and reviewers widely praise the Monta Noble 40 for its exceptional finishing, comfortable wearability, and refined bracelet, often described as "like butter." Its 38.5mm case and legible dial are highlighted as strengths, with a 6 o'clock date. Some owners find the design bland or derivative, while others appreciate its dressy aesthetic. The Sellita SW300 movement is noted, though its $1,600-$1,900 price point draws mixed reactions, with some questioning its value against alternatives and brand cachet. On balance, owners and reviewers rate the Monta Noble 40 highly for its tactile experience and finishing at its price point.

From video reviewers

The watch's excellent finishing and quality detail are notable strengths. A weakness is its lack of lume brightness, which is a trade-off for the watch's overall design and execution. Reviewers disagree on the watch's overall value, with one reviewer suggesting it as a super-premium upgrade and another highlighting its durability and resistance to corrosion.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

12 of 29 specs differ
Diameter
Noble 4040mm
Prospex Sea41.7mm
Power Reserve
Noble 40
Prospex Sea41h
Water Resistance
Noble 40201m
Prospex Sea200m
MSRP
Noble 40$1,595
Prospex Sea$595

Full specifications

Case

5 specs
Category
Sport
Diver
Diameter
40mm
41.7mm
Thickness
10.5mm
12.3mm
Lug-to-Lug
47.8mm
49.5mm
Water Resistance
201m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Monta M-22
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$1,595
$595
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