Side by side

Sternglas KantonvsSeiko Prospex Sea

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

Kanton
SternglasKanton
MSRP $971
Prospex Sea
SeikoProspex Sea
MSRP $595

At a glance

12 of 29 specs differ
Diameter
Kanton39mm
Prospex Sea41.7mm
Power Reserve
Kanton38h
Prospex Sea41h
Water Resistance
Kanton50m
Prospex Sea200m
MSRP
Kanton$971
Prospex Sea$595

Full specifications

Case

5 specs
Category
Dress
Diver
Diameter
39mm
41.7mm
Thickness
10mm
12.3mm
Lug-to-Lug
45mm
49.5mm
Water Resistance
50m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200
4R35
Power Reserve
38h
41h
Jewels
23

Pricing

1 specs
MSRP
$971
$595

Follow this matchup

Get a note when Sternglas Kanton vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Sternglas Kanton

The Sternglas Kanton is praised for its refined Bauhaus-inspired design, featuring a silver-plated dial and luminous hands and dots for excellent legibility. Owners and reviewers highlight its comfortable 39mm case size, measuring 10mm thick, and the visible STP 1-11 automatic movement through a sapphire crystal case back. Accuracy figures vary, with one source noting +15 seconds per day, while another suggests improved accuracy over previous models. Overall, owners and reviewers rate the Sternglas Kanton highly for its blend of Bauhaus design and Swiss precision at an affordable price point.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.