Side by side

Spinnaker Dumas AutomaticvsSinn T50 GBDR

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
T50 GBDR
SinnT50 GBDR
MSRP $4,428

At a glance

17 of 29 specs differ
Diameter
Dumas Automatic44mm
T50 GBDR41mm
Power Reserve
Dumas Automatic40h
T50 GBDR38h
Water Resistance
Dumas Automatic300m
T50 GBDR500m
MSRP
Dumas Automatic$239
T50 GBDR$4,428

Full specifications

Case

8 specs
Diameter
44mm
41mm
Thickness
15mm
12.3mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Titanium
Finish
Brushed and polished
bead-blasted
Water Resistance
300m
500m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
SII NH35A
SW 300-1
Power Reserve
40h
38h
Complications
None
Date

Pricing

1 specs
MSRP
$239
$4,428

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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.

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.

Sinn T50 GBDR

The Sinn T50 GBDR features a titanium case with a GoldBronze bezel and matte black dial, presenting a two-tone toolish aesthetic that reviewers find appealing. The GoldBronze alloy offers improved skin compatibility and corrosion resistance, developing patina slower than standard bronze. Reviewers note a stamped clasp that can come loose and suggest the price point may be high for some Sinn enthusiasts.

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