Side by side

Sinn 103 St DIAPALvsTudor Black Bay 58 18K

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
Black Bay 58 18K
TudorBlack Bay 58 18K
MSRP $22,550

At a glance

20 of 29 specs differ
Diameter
103 St DIAPAL41mm
Black Bay 58 18K39mm
Power Reserve
103 St DIAPAL48h
Black Bay 58 18K70h
Water Resistance
103 St DIAPAL200m
Black Bay 58 18K200m
MSRP
103 St DIAPAL$4,320
Black Bay 58 18K$22,550

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
41mm
39mm
Thickness
17mm
12.7mm
Lug-to-Lug
46mm
Material
Stainless Steel
18k Yellow Gold
Finish
polished
Satin
Caseback
Solid screw-down

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Underside
Dial Color
Anthracite
Green
Indices
Lume
Luminescent
None

Movement

7 specs
Caliber
LJP 8000
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
70h
Jewels
28
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$4,320
$22,550

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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.

Tudor Black Bay 58 18K

Owners appreciate the substantial feel of the 18K gold Tudor Black Bay 58 on the wrist, with reviewers noting the brushed gold finishing and 39mm case size. The watch is powered by the COSC-certified Manufacture Caliber MT5400 with a 70-hour power reserve, visible through an open caseback. Sources offer differing price points, ranging from $16,800 to $32,100 depending on the strap or bracelet. Some reviewers criticize the brushed finish for diminishing the visual luxury of gold and find the green dial and bezel color combination divisive or lacking charisma. Overall, owners and reviewers find the Tudor Black Bay 58 18K to be an ambitious, albeit divisive, precious metal sports watch, with praise for its substantial feel and brushed gold finishing.

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