Side by side

Bremont Supermarine ChronovsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850

At a glance

13 of 29 specs differ
Diameter
Supermarine Chrono43mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Supermarine Chrono40h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Supermarine Chrono300m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Supermarine Chrono$6,850
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
43mm
40mm
Thickness
15.87mm
13mm
Lug-to-Lug
46.4mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC coated)
Stainless Steel

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
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$6,850
$1,300

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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 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

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