Side by side

Monta TriumphvsSeiko 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 Triumph

Owners widely praise the Monta Triumph for its excellent timekeeping, with one owner reporting +2 seconds per day. The watch features a 40mm case, 200 meters of water resistance, and a Sellita SW300-based Caliber M-22 automatic movement with a 56-hour power reserve. The three-link bracelet is noted for comfort and flexibility, though some desire alternative clasp mechanisms. On balance, owners rate the Monta Triumph highly for its exceptional performance and value, outperforming watches at higher price points.

From video reviewers

The Monta Triumph offers excellent finishing and a utilitarian tool watch design. Reviewers did not identify any shared weaknesses.

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
Triumph40mm
Prospex Sea41.7mm
Power Reserve
Triumph
Prospex Sea41h
Water Resistance
Triumph201m
Prospex Sea200m
MSRP
Triumph$1,850
Prospex Sea$595

Full specifications

Case

5 specs
Diameter
40mm
41.7mm
Thickness
12.3mm
Lug-to-Lug
47.8mm
49.5mm
Lug Width
20mm
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
4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$1,850
$595
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