Side by side

Manufaktur Waldhoff Atlas GMTvsSeiko 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.

Manufaktur Waldhoff Atlas GMT

Owners praise the Manufaktur Waldhoff Atlas GMT as a "spec monster" for an office GMT diver, noting its Seiko NH34 movement, sapphire crystal, and 300m water resistance. One owner found the 41mm case too large for their wrist and sold it due to a preference for smaller case sizes. On balance, owners appreciate the Manufaktur Waldhoff Atlas GMT's impressive specifications at its price point, though case size can be a personal fit issue.

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
Atlas GMT41mm
Prospex Sea41.7mm
Power Reserve
Atlas GMT41h
Prospex Sea41h
Water Resistance
Atlas GMT300m
Prospex Sea200m
MSRP
Atlas GMT$548
Prospex Sea$595

Full specifications

Case

5 specs
Category
Diver
Diameter
41mm
41.7mm
Thickness
13.5mm
12.3mm
Lug-to-Lug
49.5mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Dial Color
Black
Lume
C3
LumiBrite on hands, index(es) and bezel

Movement

2 specs
Caliber
Seiko NH34
4R35
Jewels
25
23

Pricing

1 specs
MSRP
$548
$595
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