Side by side

Sinn 856 S UTCvsSpinnaker Dumas Automatic

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

856 S UTC
Sinn856 S UTC
MSRP $2,938
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

18 of 29 specs differ
Diameter
856 S UTC40mm
Dumas Automatic44mm
Power Reserve
856 S UTC38h
Dumas Automatic40h
Water Resistance
856 S UTC200m
Dumas Automatic300m
MSRP
856 S UTC$2,938
Dumas Automatic$239

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
40mm
44mm
Thickness
11mm
15mm
Lug-to-Lug
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
black
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
SW 330-1
SII NH35A
Power Reserve
38h
40h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,938
$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 856 S UTC

Owners widely praise the Sinn 856 S UTC for its legibility, robust build, and versatile wearability as an everyday and business-casual timepiece. The watch is frequently chosen for its adventurous UTC functionality and durability features, including tegimentation, anti-magnetism, and humidity protection, making it suitable for frequent travel. One owner reports accuracy of approximately -10 seconds per day. On balance, owners rate the Sinn 856 S UTC highly for its practical functionality and rugged construction.

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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