Side by side

Sugess Seestern S430 Titanium DivervsSpinnaker Cahill Automatic

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

Seestern S430 Titanium Diver
SugessSeestern S430 Titanium Diver
MSRP $299
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

11 of 29 specs differ
Diameter
Seestern S430 Titanium Diver40mm
Cahill Automatic42mm
Power Reserve
Seestern S430 Titanium Diver40h
Cahill Automatic40h
Water Resistance
Seestern S430 Titanium Diver200m
Cahill Automatic200m
MSRP
Seestern S430 Titanium Diver$299
Cahill Automatic$350

Full specifications

Case

5 specs
Diameter
40mm
42mm
Thickness
12.5mm
13.7mm
Lug-to-Lug
46mm
51mm
Lug Width
20mm
22mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Blue
Green
Lume
Tritium
None

Movement

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

Pricing

1 specs
MSRP
$299
$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 S430 Titanium Diver

Owners widely praise the Sugess Seestern S430 Titanium Diver for its genuine titanium construction, making it extremely light and comfortable at 92 grams on a 6.7-inch wrist. The ceramic bezel is described as fantastic and mesmerizing to use, and the brushed finishing is noted as nice. The watch features an NH38 movement, which is appreciated for its lack of ghost date functionality. However, some owners find the price comparable to competitors and have noted issues with the clasp's fit, with some finding the existing holes insufficient and the rotating arm needing to bend. The crown unscrewing is not smooth, and the bezel action is described as gritty with uneven resistance. One owner reported a crown tube failure on a V1 model. Overall, owners rate the Sugess Seestern S430 Titanium Diver highly for its lightweight titanium build and excellent ceramic bezel, despite some concerns regarding the clasp design.

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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