Side by side

Spinnaker Cahill AutomaticvsTudor Pelagos 39

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Pelagos 39
TudorPelagos 39
MSRP $5,625

At a glance

12 of 29 specs differ
Diameter
Cahill Automatic42mm
Pelagos 3940mm
Power Reserve
Cahill Automatic40h
Pelagos 3970h
Water Resistance
Cahill Automatic200m
Pelagos 39200m
MSRP
Cahill Automatic$350
Pelagos 39$5,625

Full specifications

Case

7 specs
Diameter
42mm
40mm
Thickness
13.7mm
11.8mm
Lug-to-Lug
51mm
46mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Grade 2 Titanium
Finish
Brushed and polished
Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Dial Color
Green
Black
Lume
None
luminescent ceramic composite hour markers

Movement

2 specs
Caliber
SII NH35A
MT5400
Power Reserve
40h
70h

Pricing

1 specs
MSRP
$350
$5,625

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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.

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.

Tudor Pelagos 39

The Tudor Pelagos 39 is widely praised for its comfortable 39mm titanium case, making it a versatile and refined everyday dive watch with a sunray dial and bezel. Owners and reviewers consistently highlight its wearability, with specific mention of its 11.8mm thickness and 107-gram weight. Some owners note the titanium case scuffs easily but that the matte finish hides scratches well and they can be buffed out. Criticisms include a 21mm lug width deemed unnecessary by one owner and some find the T-fit clasp edges sharp, though this is disputed by another. The lume is considered acceptable but not class-leading. Overall, owners and reviewers rate the Tudor Pelagos 39 highly for its comfortable dimensions and refined everyday wearability.

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