Side by side

Sugess Seestern S434 Pro DivervsSpinnaker Cahill Automatic

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

Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

12 of 29 specs differ
Diameter
Seestern S434 Pro Diver40mm
Cahill Automatic42mm
Power Reserve
Seestern S434 Pro Diver40h
Cahill Automatic40h
Water Resistance
Seestern S434 Pro Diver200m
Cahill Automatic200m
MSRP
Seestern S434 Pro Diver$249
Cahill Automatic$350

Full specifications

Case

6 specs
Diameter
40mm
42mm
Thickness
12mm
13.7mm
Lug-to-Lug
46mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel/Rose Gold
316L Stainless Steel
Caseback
Engraved
Solid

Crystal & Dial

2 specs
Dial Color
2 Salmon
Green
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
NH35
SII NH35A
Beat Rate
3 vph
28,800 vph
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$249
$350

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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.

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.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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