Side by side

Sinn 103 StvsCWC E9 Automatic Diver Watch

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

What people say

Owners + reviewers, side by side

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

Sinn 103 St

The Sinn 103 St is widely praised for its classic chronograph appeal and purposeful 41mm size, with owners finding the Ty Hd variant stunning in person. Reviewers highlight its domed acrylic crystal and consider the model an outstanding value for the money. Some owners note the 103 St Sa E's 17mm thickness may be an issue, despite its wearable case dimensions. The Sinn 103 St is also recognized as a space-capable watch, having been worn on a MIR mission. Overall, owners and reviewers rate the Sinn 103 St highly for its classic chronograph design and strong value proposition.

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.

At a glance

18 of 29 specs differ
Diameter
103 St41mm
E9 Automatic Diver Watch41mm
Power Reserve
103 St48h
E9 Automatic Diver Watch
Water Resistance
103 St200m
E9 Automatic Diver Watch300m
MSRP
103 St$2,538
E9 Automatic Diver Watch$1,391

Full specifications

Case

6 specs
Category
Tool
Diver
Thickness
15.5mm
0mm
Lug-to-Lug
47mm
Finish
polished
Water Resistance
200m
300m
Caseback

Crystal & Dial

6 specs
Crystal
Acrylic
Sapphire
Crystal Shape
AR Coating
Dial Color
Black
CWC E9 Automatic Diver Watch (SF300-E9 AS120)
Indices
Lume
Luminescent
Super-LumiNova

Movement

5 specs
Caliber
Concepto C99001
Sellita SW200-1
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
0h
Jewels
25
0
Complications
Date, Day-Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$2,538
$1,391
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Sinn 103 St vs CWC E9 Automatic Diver Watch gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.