Side by side

Jack Mason Ellum Manual WindvsSeiko 5KX

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

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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.

Jack Mason Ellum Manual Wind

The Jack Mason Ellum Manual Wind is widely praised for its elegant, mid-century inspired design, featuring a beautiful linen-textured dial and a slim, wearable 38mm case. Owners and reviewers highlight its refined aesthetic, with some specifically calling out the gold textured dial as a favorite. The Sellita SW210-1 manual-wind movement is noted for its smooth operation and accuracy, with multiple sources reporting it regulated to within ±5 seconds per day. The watch is available at a value price point, ranging from $799 to $949 across different sources. Some owners are split on the date window, with a few finding it disruptive to the dial's design, and one commenter found the logo unappealing, while others consider the dimensions and overall package a home run. Overall, owners and reviewers rate the Jack Mason Ellum Manual Wind highly for its attractive dial and slim case at the price.

Seiko 5KX

Owners widely praise the Seiko 5 Sports SKX series for its strong lume and comfortable wearability, with many noting its compact feel due to a short lug-to-lug length. The NH36 movement's accuracy varies, with typical performance between +/-5 to 10 seconds per day, though some report better. A lack of screw-down crown and ISO certification are noted drawbacks for its water resistance. Some owners find the bracelet to be of cheaper construction with hollow links, and a few have reported quality control issues. The consensus is that the Seiko 5 Sports SKX series offers good value for its price, appealing to those who appreciate its tool-like nature and iconic lineage.

At a glance

14 of 29 specs differ
Diameter
Ellum Manual Wind38mm
5KX42.5mm
Power Reserve
Ellum Manual Wind42h
5KX41h
Water Resistance
Ellum Manual Wind50m
5KX100m
MSRP
Ellum Manual Wind$799
5KX$350

Full specifications

Case

6 specs
Category
Diver
Diameter
38mm
42.5mm
Thickness
9mm
13.4mm
Lug-to-Lug
45mm
46mm
Lug Width
20mm
22mm
Water Resistance
50m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW210-1
Seiko 4R36
Type
Manual
Automatic
Power Reserve
42h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$799
$350
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