Side by side
Beaufort SeatrekkervsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Seatrekker39mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Seatrekker42h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Seatrekker200m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Seatrekker—
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Full specifications
Case
7 specsCategory
—
Diver
Diameter
39mm
46mm
Thickness
12.55mm
18mm
Lug-to-Lug
—
55mm
Lug Width
—
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
Blue
Anthracite
Lume
C3 Super-LumiNova applied to indices and hands for low-light readability.
None
Movement
2 specsCaliber
Miyota 9039
Sellita SW220-1
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$3,250
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