Side by side

Bremont Supermarine ChronovsSeiko King Seiko KSK

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
King Seiko KSK
SeikoKing Seiko KSK
MSRP $3,300

At a glance

13 of 29 specs differ
Diameter
Supermarine Chrono43mm
King Seiko KSK38.6mm
Power Reserve
Supermarine Chrono40h
King Seiko KSK45h
Water Resistance
Supermarine Chrono300m
King Seiko KSK50m
MSRP
Supermarine Chrono$6,850
King Seiko KSK$3,300

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
43mm
38.6mm
Thickness
15.87mm
10.7mm
Lug-to-Lug
45.8mm
Lug Width
22mm
19mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface

Movement

3 specs
Caliber
BE-50AE
6L35
Power Reserve
40h
45h
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 King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK for its exceptional dial and case finishing, often compared to higher-end brands, and its slim, retro design. The use of the Calibre 6L35 movement in some variants is seen as a significant upgrade, contributing to a refined feel, while others note the bracelet is unusually nice and the case offers a mix of brushed and polished finishes with sharp angles. However, some owners question the value proposition, citing misaligned screws and clasp components on their examples, and the standard 6R movement in some models is criticized as a disappointment for the price point. Accuracy figures range from +15/-10 seconds per day to +5 to +7 seconds per day, and water resistance is rated at 5 BAR or 50 meters. Overall, owners and reviewers find the King Seiko KSK to be a beautiful and classy watch with fantastic finishing, though some are divided on its value and movement choice at its price point.

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