Side by side

Bremont SupernovavsSeiko Prospex SPEEDTIMER

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

Supernova
BremontSupernova
MSRP $8,250
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000

At a glance

13 of 29 specs differ
Diameter
Supernova41mm
Prospex SPEEDTIMER42.5mm
Power Reserve
Supernova40h
Prospex SPEEDTIMER45h
Water Resistance
Supernova100m
Prospex SPEEDTIMER100m
MSRP
Supernova$8,250
Prospex SPEEDTIMER$3,000

Full specifications

Case

5 specs
Diameter
41mm
42.5mm
Thickness
14.4mm
15.1mm
Lug-to-Lug
50mm
Lug Width
14.4mm
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Chronograph Bracelet
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
8R46
Power Reserve
40h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$8,250
$3,000

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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 Supernova

The Bremont Supernova is praised for its new ENG375 movement, big date, and power reserve indicator, with its 40mm steel case featuring mixed finishing and an integrated bracelet. Owners note good but not great lume, well-balanced proportions, and a premium feel for its price, despite a 173-gram weight. Some community members find the design derivative and the £8,000 price tag overly optimistic, with mixed views on the date window and crown guard. The proprietary Trip-Tick case construction offers shock protection, and the movement provides a 65-hour power reserve. Overall, owners and reviewers highlight the integrated bracelet and proprietary movement as key strengths of the Bremont Supernova.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

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