Side by side

Formex Essence ThirtyNinevsSpinnaker Cahill Automatic

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

Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

12 of 29 specs differ
Diameter
Essence ThirtyNine39mm
Cahill Automatic42mm
Power Reserve
Essence ThirtyNine41h
Cahill Automatic40h
Water Resistance
Essence ThirtyNine100m
Cahill Automatic200m
MSRP
Essence ThirtyNine$2,390
Cahill Automatic$350

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
39mm
42mm
Thickness
10mm
13.7mm
Lug-to-Lug
45mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
Space Ghost
Green
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
SII NH35A
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$2,390
$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.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

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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