Side by side

Bremont Supermarine ChronovsSeiko Prospex Sea

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
Prospex Sea
SeikoProspex Sea
MSRP $900

At a glance

14 of 29 specs differ
Diameter
Supermarine Chrono43mm
Prospex Sea41mm
Power Reserve
Supermarine Chrono40h
Prospex Sea70h
Water Resistance
Supermarine Chrono300m
Prospex Sea200m
MSRP
Supermarine Chrono$6,850
Prospex Sea$900

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
43mm
41mm
Thickness
15.87mm
12.3mm
Lug-to-Lug
46.9mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
BE-50AE
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$6,850
$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.

Bremont Supermarine Chrono

The Bremont Supermarine Chrono's black dial and understated bezel markings allow it to transition effectively from rugged use to evening events. On balance, owners and reviewers find the Bremont Supermarine Chrono to be a handsome and functional watch, with its versatile dial design being a key strength.

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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