Side by side

Feynman Timekeepers CovevsSeiko 5KX

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

What people say

Owners + reviewers, side by side

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

Feynman Timekeepers Cove

Owners widely praise the Feynman Timekeepers Cove for its original and versatile design. One owner highlights the lume as a key appeal. One owner found the Feynman Cove outside their price range. Overall, owners rate the Feynman Timekeepers Cove highly for its original and versatile design.

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

12 of 29 specs differ
Diameter
Cove40mm
5KX42.5mm
Power Reserve
Cove50h
5KX41h
Water Resistance
Cove200m
5KX100m
MSRP
Cove$1,045
5KX$350

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
42.5mm
Thickness
12.8mm
13.4mm
Lug Width
20mm
22mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
C3 X1-grade Swiss SuperLuminova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
ETA 2895-2
4R36
Power Reserve
50h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$1,045
$350
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