Side by side

CWC SBS Black Ice Quartz WatchvsSeiko 5 Sports Field 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 Field series
Seiko5 Sports Field series
MSRP $450

At a glance

15 of 29 specs differ
Diameter
SBS Black Ice Quartz Watch40mm
5 Sports Field series39.4mm
Power Reserve
SBS Black Ice Quartz Watch40h
5 Sports Field series41h
Water Resistance
SBS Black Ice Quartz Watch300m
5 Sports Field series100m
MSRP
SBS Black Ice Quartz Watch$666
5 Sports Field series$450

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
40mm
39.4mm
Thickness
12mm
13.6mm
Lug-to-Lug
46mm
47.9mm
Water Resistance
300m
100m

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
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
$450

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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 Field series

The Seiko 5 Sports Field series offers an accessible explorer-style watch with a 41mm stainless steel case, 100m water resistance, and a Hardlex crystal. The Field GMT model features a caller GMT complication powered by the 4R34 movement, while the standard Field models use the 4R36 with a 41-hour power reserve. Both models include Arabic numerals coated in LumiBrite and a lumed pearl on the bezel. On balance, the Seiko 5 Sports Field GMT is a well-regarded entry-level explorer watch for its price point, despite its office-style GMT function.

From video reviewers

The prominent five-sided GMT hand enhances legibility and adds a sophisticated aesthetic to the watch. The Seiko 5 Sports Field series offers similar functionality to the Explorer 2 at a lower price, making it a valuable option. Reviewers disagree on whether it's a missed opportunity for Seiko to release this model first, with one reviewer implying it would have been a more logical addition to their lineup.

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