Side by side

Marathon Jeep Willys SSGPMvsSeiko King Seiko KSK

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

Jeep Willys SSGPM
MarathonJeep Willys SSGPM
MSRP $780
King Seiko KSK
SeikoKing Seiko KSK
MSRP $2,000
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 King Seiko KSK

Owners and reviewers widely praise the King Seiko KSK's sharp, faceted case design and harmonious mid-century aesthetic. Its compact 38.1mm or 37mm size and slim 10.7mm thickness are noted as highly wearable. However, accuracy is a point of contention, with one reviewer reporting a wide range of +25 to -15 seconds per day for the 6R31 movement, while others criticize the standard 6R movement as too thick and a departure from the brand's history. Water resistance is consistently cited as limited to 50 meters, and one owner reported misaligned screws on the caseback and clasp. On balance, owners and reviewers find the King Seiko KSK appealing for its design and wearability, though the movement choice and accuracy are significant drawbacks for some.

At a glance

15 of 29 specs differ
Diameter
Jeep Willys SSGPM41mm
King Seiko KSK38.3mm
Power Reserve
Jeep Willys SSGPM40h
King Seiko KSK72h
Water Resistance
Jeep Willys SSGPM30m
King Seiko KSK100m
MSRP
Jeep Willys SSGPM$780
King Seiko KSK$2,000

Full specifications

Case

7 specs
Category
Field
Dress
Diameter
41mm
38.3mm
Thickness
11mm
11.7mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on Hands

Movement

4 specs
Caliber
Sellita SW210-1 (hand-wind)
6R55
Type
Manual
Automatic
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$780
$2,000
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