Side by side

Sinn 103 St DIAPALvsSpinnaker Dumas Automatic

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

103 St DIAPAL
Sinn103 St DIAPAL
MSRP $4,320
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

19 of 29 specs differ
Diameter
103 St DIAPAL41mm
Dumas Automatic44mm
Power Reserve
103 St DIAPAL48h
Dumas Automatic40h
Water Resistance
103 St DIAPAL200m
Dumas Automatic300m
MSRP
103 St DIAPAL$4,320
Dumas Automatic$239

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
41mm
44mm
Thickness
17mm
15mm
Lug-to-Lug
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
polished
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
Blue
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
LJP 8000
SII NH35A
Power Reserve
48h
40h
Jewels
28
25
Complications
GMT, Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$4,320
$239

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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.

Sinn 103 St DIAPAL

Owners widely praise the Sinn 103 St DIAPAL for its robust, Germanic design, legible dial, and functional combination of a chronograph and countdown bezel, all offered at a strong value compared to other classic chronographs. The tall, domed acrylic crystal is a favored feature for its warm look and impact resistance, and the polished stainless steel case is preferred by some over a matte finish. The watch meets DIN standards for anti-magnetic, water, and shock resistance, with low-pressure resistance. Some owners note the Sinn 103 St DIAPAL is thick, though its wearability is considered good even on smaller wrists. Availability in the US market without retail distribution is a noted concern for some. Overall, owners rate the Sinn 103 St DIAPAL highly for its rugged tool-watch functionality and distinctive vintage-inspired aesthetic at a competitive price.

Spinnaker Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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