Side by side

CWC SBS Black Ice Quartz WatchvsTissot Seastar 1000 Powermatic 80 GMT

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
Seastar 1000 Powermatic 80 GMT
TissotSeastar 1000 Powermatic 80 GMT
MSRP $1,375

At a glance

12 of 29 specs differ
Diameter
SBS Black Ice Quartz Watch40mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
SBS Black Ice Quartz Watch40h
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
SBS Black Ice Quartz Watch300m
Seastar 1000 Powermatic 80 GMT300m
MSRP
SBS Black Ice Quartz Watch$666
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

4 specs
Category
Diver
GMT
Diameter
40mm
46mm
Thickness
12mm
15.4mm
Lug Width
20mm
22mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
Dial Color
CWC SBS Black Ice Quartz Watch
Black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

3 specs
Caliber
Ronda 517
Powermatic 80
Type
Quartz
Automatic
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$666
$1,375

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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.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

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