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 $1,500

At a glance

14 of 29 specs differ
Diameter
Kanton39mm
Prospex Sea43.5mm
Power Reserve
Kanton38h
Prospex Sea70h
Water Resistance
Kanton50m
Prospex Sea200m
MSRP
Kanton$971
Prospex Sea$1,500

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
39mm
43.5mm
Thickness
10mm
13.3mm
Lug-to-Lug
45mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200
6R35
Power Reserve
38h
70h
Jewels
24

Pricing

1 specs
MSRP
$971
$1,500

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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.

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

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

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