Side by side

Norqain Adventure Sport 42mm Matterhorn UltraksvsSeiko Prospex Sea

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

Adventure Sport 42mm Matterhorn Ultraks
NorqainAdventure Sport 42mm Matterhorn Ultraks
MSRP $3,040
Prospex Sea
SeikoProspex Sea
MSRP $900

At a glance

12 of 29 specs differ
Diameter
Adventure Sport 42mm Matterhorn Ultraks42mm
Prospex Sea41mm
Power Reserve
Adventure Sport 42mm Matterhorn Ultraks40h
Prospex Sea70h
Water Resistance
Adventure Sport 42mm Matterhorn Ultraks100m
Prospex Sea200m
MSRP
Adventure Sport 42mm Matterhorn Ultraks$3,040
Prospex Sea$900

Full specifications

Case

5 specs
Diameter
42mm
41mm
Thickness
12.8mm
12.3mm
Lug-to-Lug
50.2mm
46.9mm
Lug Width
22mm
20mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Domed
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
NORQAIN NN3200
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$3,040
$900

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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.

Norqain Adventure Sport 42mm Matterhorn Ultraks

Owners and reviewers widely praise the Norqain Adventure Sport 42mm Matterhorn Ultraks for its excellent value, well-executed dial with applied markers and textured patterns, and precise ceramic bezel with pleasant action. The DLC coating is noted as excellent, and the lume is generally considered good, though one reviewer found it a bit weak with noticeable differences between hands and markers. The 42mm case size is considered a good fit by some, though the 50.2mm lug-to-lug length is noticeable on smaller wrists, and the strap was initially stiff for one owner. The ETA 2824-based NN09 movement is reliable but considered basic for the price by some, and the crown execution and dial text are flagged as less ideal by one forum user. Overall, owners and reviewers rate the Norqain Adventure Sport 42mm Matterhorn Ultraks highly for its tool watch personality and finishing at its price point.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

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