Side by side

Sternglas Marus 2.0vsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

Marus 2.0
SternglasMarus 2.0
MSRP $593
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500
What people say

Owners + reviewers, side by side

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

Sternglas Marus 2.0

Owners widely praise the Sternglas Marus 2.0 for its well-built, heavy case and excellent bezel action, which is considered superior to some competitors. Reviewers note the refined case and luminous dial markers, while the green dial stands out from other divers. The Seiko NH35A movement offers accuracy ranging from -20/+40 seconds per day. One reviewer desired a slightly larger screw-down crown. Overall, owners and reviewers rate the Sternglas Marus 2.0 highly for its robust build and standout dial at its price point.

From video reviewers

The Seiko NH35 automatic movement is a shared strength. Reviewers did not reach a consensus on any weaknesses.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

10 of 29 specs differ
Diameter
Marus 2.041mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Marus 2.041h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Marus 2.0200m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Marus 2.0$593
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

3 specs
Diameter
41mm
42mm
Thickness
14mm
12.9mm
Lug-to-Lug
49mm
48.6mm

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
Luminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko TMI NH35
6R54
Power Reserve
41h
72h
Jewels
24

Pricing

1 specs
MSRP
$593
$1,500
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