Side by side

Bremont Williams RacingvsSeestern S450 Ocean Star

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

Williams Racing
BremontWilliams Racing
MSRP $7,000
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Williams Racing43mm
S450 Ocean Star40mm
Power Reserve
Williams Racing40h
S450 Ocean Star41h
Water Resistance
Williams Racing
S450 Ocean Star100m
MSRP
Williams Racing$7,000
S450 Ocean Star$299

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
43mm
40mm
Thickness
15.8mm
12mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m

Crystal & Dial

2 specs
Dial Color
Brown
White
Lume
None
Tritium

Movement

5 specs
Caliber
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$7,000
$299

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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 Williams Racing

The Bremont Williams Racing features a panda dial with blue accents and a tachymeter bezel, housed in a 43mm TripTick case. It is powered by a chronometer-rated BE-53AE automatic movement with a 42-hour power reserve and a custom rotor. While the 15.8mm height is considered reasonable for a chronograph, the 43mm case size may require trying it on for those preferring smaller watches. Overall, reviewers highlight the motorsport-inspired design and robust build of the Bremont Williams Racing.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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