Side by side

Bremont Supermarine ChronovsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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 SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Supermarine Chrono40h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Supermarine Chrono300m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Supermarine Chrono$6,850
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

6 specs
Diameter
43mm
42mm
Thickness
15.87mm
14.6mm
Lug-to-Lug
49.5mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
BE-50AE
8R48
Power Reserve
40h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$6,850
$2,500

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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 SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

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