Side by side

Sheffield Allsport Diver 1vsSeiko 5KX

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

Allsport Diver 1
SheffieldAllsport Diver 1
5KX
Seiko5KX
MSRP $350
What people say

Owners + reviewers, side by side

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

Sheffield Allsport Diver 1

Owners widely praise the Sheffield Allsport Diver 1 for its superb quality and sturdiness at an affordable price, with many calling it a hit and a no-brainer purchase. The blue dial is a particular highlight, and the watch is noted to resist scratches well despite heavy use. One owner dislikes the lack of a quick-set date, finding it cumbersome to adjust. Overall, owners rate the Sheffield Allsport Diver 1 highly for its surprising quality and appearance at its price point.

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
Allsport Diver 140mm
5KX42.5mm
Power Reserve
Allsport Diver 1
5KX41h
Water Resistance
Allsport Diver 1200m
5KX100m
MSRP
Allsport Diver 1
5KX$350

Full specifications

Case

5 specs
Diameter
40mm
42.5mm
Thickness
13mm
13.4mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
Seiko 4R36
Power Reserve
41h
Jewels
25
24

Pricing

1 specs
MSRP
$350
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