Side by side

CWC E9 Automatic Diver WatchvsTudor Black Bay Bronze

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

E9 Automatic Diver Watch
CWCE9 Automatic Diver Watch
MSRP $1,391
Black Bay Bronze
TudorBlack Bay Bronze
MSRP $5,425

At a glance

20 of 29 specs differ
Diameter
E9 Automatic Diver Watch41mm
Black Bay Bronze43mm
Power Reserve
E9 Automatic Diver Watch40h
Black Bay Bronze70h
Water Resistance
E9 Automatic Diver Watch300m
Black Bay Bronze200m
MSRP
E9 Automatic Diver Watch$1,391
Black Bay Bronze$5,425

Full specifications

Case

8 specs
Diameter
41mm
43mm
Thickness
12mm
14.6mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
23mm
Material
Stainless Steel
Bronze
Finish
Brushed and polished
Satin
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
CWC E9 Automatic Diver Watch (SF300-E9 AS120)
Grey
Indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
Sellita SW200-1
MT5601
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$1,391
$5,425

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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 E9 Automatic Diver Watch

Owners widely praise the CWC E9 Automatic Diver Watch for its military-spec toughness and satisfyingly easy-to-wind crown, with one owner calling it a perfect reissue due to its thin case, small size, and legibility. Some owners appreciate its durability and value as a beater or summer watch, noting its solid bars are a military requirement and highlighting its significant wrist presence and unique "Jolly Roger" dial design. Critics find the CWC E9 Automatic Diver Watch overpriced for its mineral crystal and 60-click bezel, despite its military heritage and HAQ movement, and its luminous paint is noted as low glow. Overall, owners rate the CWC E9 Automatic Diver Watch highly for its military-spec toughness and wrist presence, despite some reservations about its value proposition.

Tudor Black Bay Bronze

The Tudor Black Bay Bronze is widely praised for its unique, evolving aesthetic due to its bronze case that develops a pleasing patina over time, with owners finding this gradual aging process incrementally pleasurable and ideal for summer wear. Reviewers highlight its robust construction, in-house MT5601 movement with a 70-hour power reserve and excellent accuracy, with one source reporting it losing about one second every three days. The 43mm case size is noted as being larger than other Black Bay models, and while some find it surprisingly comfortable and well-proportioned with its Arabic numerals, others consider it too large and bold for daily wear under a suit cuff, with the bronze case deemed less smart than steel. The matte brown dial with an explorer-style layout and gilt snowflake hands are also frequently mentioned features. One owner specifically praised the bezel's feel as the best on the market, though another reviewer found the dial numerals and lume weak.

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