Side by side

Geckota GT Racing ChronographvsSeiko Prospex Sea

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

GT Racing Chronograph
GeckotaGT Racing Chronograph
MSRP $399
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

14 of 29 specs differ
Diameter
GT Racing Chronograph40mm
Prospex Sea41.3mm
Power Reserve
GT Racing Chronograph40h
Prospex Sea72h
Water Resistance
GT Racing Chronograph50m
Prospex Sea300m
MSRP
GT Racing Chronograph$399
Prospex Sea$1,100

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
40mm
41.3mm
Thickness
12.7mm
12.5mm
Lug-to-Lug
48.2mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
6R55
Type
Quartz
Automatic
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$399
$1,100

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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.

Geckota GT Racing Chronograph

The Geckota GT Racing strap is praised for its quality leather, crisp stitching, and beautiful patina, offering excellent value at less than half the price of similar vintage straps. Some owners find the 125/80mm length longer than ideal, and the keeper potentially smaller. On balance, owners rate the Geckota GT Racing strap highly for its quality and value, despite minor concerns about its length and keeper size.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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