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Bremont Supermarine 300MvsSheffield Mechanic's Pit Watch

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

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Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Mechanic's Pit Watch
SheffieldMechanic's Pit Watch
Buy from Bremont ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Supermarine 300M40mm
Mechanic's Pit Watch42mm
Power Reserve
Supermarine 300M40h
Mechanic's Pit Watch—
Water Resistance
Supermarine 300M300m
Mechanic's Pit Watch100m
MSRP
Supermarine 300M$3,550
Mechanic's Pit Watch—

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
12mm
13.5mm
Lug-to-Lug
—
48mm
Lug Width
20mm
22mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Green
White

Movement

3 specs
Caliber
BE-92AE
Seiko VK64
Type
Automatic
Mecaquartz
Power Reserve
40h
—

Pricing

1 specs
MSRP
$3,550
—
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