Side by side

Beaufort SeatrekkervsSheffield GMT

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

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Seatrekker
BeaufortSeatrekker
GMT
SheffieldGMT
Buy from Beaufort ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

8 of 29 specs differ
Diameter
Seatrekker39mm
GMT40mm
Power Reserve
Seatrekker42h
GMT—
Water Resistance
Seatrekker200m
GMT200m
MSRP
Seatrekker—
GMT—

Full specifications

Case

5 specs
Category
—
GMT
Diameter
39mm
40mm
Thickness
12.55mm
13mm
Lug-to-Lug
—
48mm
Lug Width
—
20mm

Crystal & Dial

1 specs
Lume
C3 Super-LumiNova applied to indices and hands for low-light readability.
None

Movement

2 specs
Caliber
Miyota 9039
Seiko NH34
Power Reserve
42h
—
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