Side by side

CWC SBS Black Ice Quartz WatchvsSeiko 5 Sports SKX series

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

SBS Black Ice Quartz Watch
CWCSBS Black Ice Quartz Watch
MSRP $666
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $495

At a glance

14 of 29 specs differ
Diameter
SBS Black Ice Quartz Watch40mm
5 Sports SKX series42.5mm
Power Reserve
SBS Black Ice Quartz Watch40h
5 Sports SKX series41h
Water Resistance
SBS Black Ice Quartz Watch300m
5 Sports SKX series100m
MSRP
SBS Black Ice Quartz Watch$666
5 Sports SKX series$495

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
40mm
42.5mm
Thickness
12mm
13.6mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Dial Color
CWC SBS Black Ice Quartz Watch
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Ronda 517
4R34
Type
Quartz
Automatic
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$666
$495

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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.

CWC SBS Black Ice Quartz Watch

Owners widely praise the CWC SBS Black Ice Quartz Watch for its legible, uncluttered dial, excellent Super-LumiNova lume, and robust build quality, noting its comfortable 12mm thickness and durable PVD coating. The bezel action is described as having zero back play, and the fixed lugs are appreciated for easy strap changes. One owner reported the lume is readable throughout the night, while another flagged a faulty mechanism requiring replacement and poor retailer customer service. The £700 price is considered high by some compared to similar quartz divers, leading to questions about its value. Overall, owners rate the CWC SBS Black Ice Quartz Watch highly for its bombproof, toolish design and practical aesthetics.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent gateway watch, offering great value with a solid build and powerful lume. Owners widely report that the NH36 movement's accuracy is a "luck of the draw," with official specs allowing up to +/-40 seconds per day, though many experience +/-5 to 10 seconds. Some owners note the lack of a screw-down crown and 100m water resistance, while others highlight its ISO 6425 compliance, 200m water resistance, and screw-down crown as superior tool watch features. Some owners find the original SKX models heavier and bulkier than newer lines, while others praise its iconic, tough, and rugged dive watch design and proven durability. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its iconic, durable dive watch design and strong value proposition.

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