Side by side

Seiko 5KXvsYema Rallygraf Meca-Quartz

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

The bottom line

The 39mm Rallygraf Meca-Quartz wears 3.5mm narrower than the 42.5mm 5KX — that's a meaningful jump on most wrists.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Yema Rallygraf Meca-Quartz

Owners widely praise the Yema Rallygraf Meca-Quartz for its heritage reissue design, small and thin case, and good looks for the price, with some noting exceptional build quality, tactile pushers, and a substantial feel. However, the quartz movement's ticking smoothness and the 24-hour subdial, which functions as an AM/PM indicator rather than a totalizer, are points of criticism for some, leading to perceptions of it being overpriced. Owners report mixed experiences with quality control, with some noting alignment issues, crooked indices, and dial rotation when pushers are depressed, while others report no such issues. On balance, owners appreciate the Yema Rallygraf Meca-Quartz for its distinctive vintage styling and wearability, despite some concerns regarding quality control and the functionality of its subdial.

Where to get them

Check prices & track

Seiko 5KX
Seiko 5KX
MSRP $350
Yema Rallygraf Meca-Quartz
Yema Rallygraf Meca-Quartz
MSRP $420
5KX
Seiko5KX
MSRP $350
Rallygraf Meca-Quartz
YemaRallygraf Meca-Quartz
MSRP $420

At a glance

15 of 29 specs differ
Diameter
5KX42.5mm
Rallygraf Meca-Quartz39mm
Power Reserve
5KX41h
Rallygraf Meca-Quartz40h
Water Resistance
5KX100m
Rallygraf Meca-Quartz50m
MSRP
5KX$350
Rallygraf Meca-Quartz$420

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42.5mm
39mm
Thickness
13.4mm
11mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
4R36
Type
Automatic
Quartz
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$350
$420

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