Side by side

Sinn 103 St DIAPALvsSugess Seestern S434 Pro Diver

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
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

18 of 29 specs differ
Diameter
103 St DIAPAL41mm
Seestern S434 Pro Diver40mm
Power Reserve
103 St DIAPAL48h
Seestern S434 Pro Diver40h
Water Resistance
103 St DIAPAL200m
Seestern S434 Pro Diver200m
MSRP
103 St DIAPAL$4,320
Seestern S434 Pro Diver$249

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
41mm
40mm
Thickness
17mm
12mm
Lug-to-Lug
46mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Finish
polished
Brushed and polished
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 8000
NH35
Beat Rate
28,800 vph
3 vph
Power Reserve
48h
40h
Jewels
28
25
Complications
GMT, Date, Chronograph, Pilot's Bezel
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$4,320
$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 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.

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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