Side by side

Sinn 358 DIAPALvsDryden Heartlander Solar

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

358 DIAPAL
Sinn358 DIAPAL
MSRP $4,255
Heartlander Solar
DrydenHeartlander Solar
MSRP $279

At a glance

19 of 29 specs differ
Diameter
358 DIAPAL42mm
Heartlander Solar38mm
Power Reserve
358 DIAPAL48h
Heartlander Solar40h
Water Resistance
358 DIAPAL100m
Heartlander Solar101m
MSRP
358 DIAPAL$4,255
Heartlander Solar$279

Full specifications

Case

9 specs
Category
Tool
Field
Diameter
42mm
38mm
Thickness
15mm
11mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
satinized
Brushed and polished
Water Resistance
100m
101m
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
LJP L100
Power Reserve
48h
40h
Jewels
26
25
Complications
GMT, Date, Chronograph
None

Pricing

1 specs
MSRP
$4,255
$279

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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 358 DIAPAL

The Sinn 358 DIAPAL is widely praised as a handsome, unfussy tool watch with excellent legibility and solid construction, featuring a reliable and exact second timezone complication. Owners and reviewers highlight its DIAPAL oil-free escapement and Ar-Dehumidifying technology for contributing to its accuracy, and note the 42mm brushed stainless steel case is well-sized. One reviewer flags the skeletonized GMT hand as sometimes lacking legibility. Overall, owners and reviewers rate the Sinn 358 DIAPAL highly for its robust build and practical travel watch functionality.

Dryden Heartlander Solar

The Dryden Heartlander Solar is widely praised for its wearability, with its 38mm case and thin profile making it a versatile, go-anywhere watch. Owners and reviewers highlight its exceptional lume, comfortable president-style bracelet, and compelling $500 price point. The solar power feature is appreciated for its convenience, eliminating the need for winding. Some owners note the 38mm case can feel small on wrists just under seven inches, and one reviewer flags that the prominent crown may irritate some wearers. The use of a Miyota movement is seen as a positive for durability and affordability. On balance, owners and reviewers rate the Dryden Heartlander Solar highly for its excellent wearability and value at the $500 price point.

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