Side by side

Marloe Watch Company Coniston AutovsSeiko Prospex Sea

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

Coniston Auto
Marloe Watch CompanyConiston Auto
MSRP $507
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

13 of 29 specs differ
Diameter
Coniston Auto41mm
Prospex Sea43.8mm
Power Reserve
Coniston Auto40h
Prospex Sea41h
Water Resistance
Coniston Auto100m
Prospex Sea200m
MSRP
Coniston Auto$507
Prospex Sea$625

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
41mm
43.8mm
Thickness
11.1mm
12.8mm
Lug-to-Lug
48.7mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 8N24
4R35
Power Reserve
40h
41h
Jewels
21
23

Pricing

1 specs
MSRP
$507
$625

Follow this matchup

Get a note when Marloe Watch Company Coniston Auto 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.

Marloe Watch Company Coniston Auto

Owners widely praise the Marloe Coniston Auto's unique design, layered dial, applied indices, and skeleton handset, with one owner noting its pleasing caseback and versatility as an everyday watch. The comfortable orange silicone strap is a favorite, and the overall presentation and packaging are considered excellent. Accuracy from the Miyota 8N24 movement ranges from +-10-20 seconds per day, which some find not ideal for a daily wearer, and the BGW9 lume is noted as less enduring than on other models. One owner dislikes the "WATCH COMPANY" text on the dial. On balance, owners rate the Marloe Coniston Auto highly for its visually pleasing and well-built design at its price point.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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.