Side by side

Bremont Supermarine ChronovsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

14 of 29 specs differ
Diameter
Supermarine Chrono43mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Supermarine Chrono40h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Supermarine Chrono300m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Supermarine Chrono$6,850
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
43mm
44mm
Thickness
15.87mm
13mm
Lug-to-Lug
49.3mm
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
8L35
Power Reserve
40h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$6,850
$3,300

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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 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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