Side by side

Marathon Jeep Willys SSGPMvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Jeep Willys SSGPM
MarathonJeep Willys SSGPM
MSRP $780

At a glance

14 of 29 specs differ
Diameter
Jeep Willys SSGPM41mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Jeep Willys SSGPM40h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Jeep Willys SSGPM30m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Jeep Willys SSGPM$780
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
41mm
44mm
Thickness
11mm
13mm
Lug-to-Lug
48mm
49.3mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
30m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW210-1 (hand-wind)
8L35
Type
Manual
Automatic
Power Reserve
40h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$780
$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.

Marathon Jeep Willys SSGPM

The Marathon Jeep Willys SSGPM is praised for its handsome, retro design and attractive, clean dials with great hands. Owners note the case is nicely shaped and offers good value at $650 USD. However, some find the lugs extend far on smaller wrists, and the corporate Jeep logo detracts from the dial's appeal for some. The leather strap may need replacement with regular wear. Overall, owners and reviewers rate the Marathon Jeep Willys SSGPM highly for its retro design and value, despite some reservations about the Jeep branding and strap.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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