Side by side

RZE UTD-8000vsSpinnaker Cahill Automatic

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

UTD-8000
RZEUTD-8000
MSRP $279
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

12 of 29 specs differ
Diameter
UTD-800040mm
Cahill Automatic42mm
Power Reserve
UTD-800040h
Cahill Automatic40h
Water Resistance
UTD-8000200m
Cahill Automatic200m
MSRP
UTD-8000$279
Cahill Automatic$350

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
40mm
42mm
Thickness
13.4mm
13.7mm
Lug-to-Lug
49.5mm
51mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
316L Stainless Steel
Caseback
Screw secured titanium caseback
Solid

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Black
Green

Movement

2 specs
Caliber
Seiko VK64
SII NH35A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$279
$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.

RZE UTD-8000

The RZE UTD-8000 is praised for its full titanium construction with scratch-resistant coatings and comfortable wearability, offering significant value at its price point. Reviewers note its modern materials like Cerakote-coated titanium and sapphire crystal, though its feature set does not rival more expensive digital competitors. Overall, the RZE UTD-8000 is considered a compelling enthusiast piece for its material execution and value.

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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