Side by side

Sinn 358 DIAPALvsSugess Seestern S434 Pro Diver

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

358 DIAPAL
Sinn358 DIAPAL
MSRP $4,255
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

20 of 29 specs differ
Diameter
358 DIAPAL42mm
Seestern S434 Pro Diver40mm
Power Reserve
358 DIAPAL48h
Seestern S434 Pro Diver40h
Water Resistance
358 DIAPAL100m
Seestern S434 Pro Diver200m
MSRP
358 DIAPAL$4,255
Seestern S434 Pro Diver$249

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
42mm
40mm
Thickness
15mm
12mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Finish
satinized
Brushed and polished
Water Resistance
100m
200m
Caseback
Engraved

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
2 Salmon
Indices
Applied
Lume
Luminescent
Super-LumiNova BGW9

Movement

5 specs
Caliber
LJP L100
NH35
Beat Rate
28,800 vph
3 vph
Power Reserve
48h
40h
Jewels
26
25
Complications
GMT, Date, Chronograph
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$4,255
$249

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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.

Sugess Seestern S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

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