Side by side

Esoteric Watches Bathyal SolvsFormex Essence ThirtyNine

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Esoteric Watches Bathyal Sol

The Esoteric Watches Bathyal Sol is widely praised for its attractive and unique design, featuring a matte yellow dial with deep sandwich cutouts and old radium lume, complemented by a bezel with deeply grooved, enamel-filled markers. Owners describe it as a dense, hefty, "go anywhere" watch with "insane" lume, noting its homage to the Bulova Snorkel 774. One reviewer flagged potential confusion with the "Eso" vs. "Esoteric" branding and expressed concerns about the long-term durability of the matte black DLC coating. On balance, owners and reviewers rate the Esoteric Watches Bathyal Sol highly for its distinctive dial and robust, go-anywhere build.

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.

From video reviewers

The case suspension system enhances comfort and the COSC-certified movement is a strong feature. The bracelet exhibits noticeable rattle. Reviewers disagreed on the ideal case size, with some preferring the 39mm and others the 41mm.

At a glance

12 of 29 specs differ
Diameter
Bathyal Sol44mm
Essence ThirtyNine39mm
Power Reserve
Bathyal Sol
Essence ThirtyNine41h
Water Resistance
Bathyal Sol600m
Essence ThirtyNine100m
MSRP
Bathyal Sol$899
Essence ThirtyNine$2,390

Full specifications

Case

7 specs
Category
Dress
Diameter
44mm
39mm
Thickness
14mm
10mm
Lug-to-Lug
48mm
45mm
Lug Width
22mm
20mm
Material
Black DLC Coated Stainless Steel
Stainless Steel
Water Resistance
600m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9015
Sellita SW200-1
Power Reserve
0h
41h

Pricing

1 specs
MSRP
$899
$2,390
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