Side by side

Bremont Supermarine ChronovsGrand Seiko SBGW306

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
SBGW306
Grand SeikoSBGW306
MSRP $17,900

At a glance

12 of 29 specs differ
Diameter
Supermarine Chrono43mm
SBGW30636.5mm
Power Reserve
Supermarine Chrono40h
SBGW30672h
Water Resistance
Supermarine Chrono300m
SBGW306100m
MSRP
Supermarine Chrono$6,850
SBGW306$17,900

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
43mm
36.5mm
Thickness
15.87mm
11.7mm
Lug-to-Lug
42.7mm
Lug Width
22mm
18mm
Material
Stainless Steel (DLC coated)
Gold
Water Resistance
300m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
BE-50AE
9S64
Type
Automatic
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$6,850
$17,900

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