Side by side

Studio Underd0g Desert Sky (Gen3)vsTornek-Rayville TR-660 Acrylic Date

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

Desert Sky (Gen3)
Studio Underd0gDesert Sky (Gen3)
MSRP $550
TR-660 Acrylic Date
Tornek-RayvilleTR-660 Acrylic Date

At a glance

12 of 29 specs differ
Diameter
Desert Sky (Gen3)38.5mm
TR-660 Acrylic Date40mm
Power Reserve
Desert Sky (Gen3)40h
TR-660 Acrylic Date50h
Water Resistance
Desert Sky (Gen3)
TR-660 Acrylic Date200m
MSRP
Desert Sky (Gen3)$550
TR-660 Acrylic Date

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
38.5mm
40mm
Thickness
14.7mm
Lug-to-Lug
48.5mm
Lug Width
20mm
Water Resistance
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Standard
Black
Lume
None
Superluminova

Movement

2 specs
Caliber
TMI NH38
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$550

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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.

Studio Underd0g Desert Sky (Gen3)

Owners widely praise the Studio Underd0g Desert Sky (Gen3) for its vibrant blue dial that exhibits depth and liveliness under varying light, its fun and creative design, and its value as a mechanical chronograph. The Seagull 1901 movement provides column-wheel chronograph functionality, with one owner reporting accuracy around +6 seconds per day and satisfying chronograph pusher feel. However, the watch is criticized for a highly reflective, overly domed crystal and weak lume. Some owners find the 13.6mm thickness to be substantial. On balance, owners rate the Studio Underd0g Desert Sky (Gen3) highly for its engaging dial and value proposition as a mechanical chronograph.

Tornek-Rayville TR-660 Acrylic Date

Owners widely praise the exceptional build quality for the price, noting a solid feel, quiet rotor, and good bezel action on the Tornek-Rayville TR-660 Acrylic Date. Reviewers highlight its utilitarian, non-reflective matte black dial and the inclusion of a moisture detector, echoing its military-issued predecessor. One owner found the lume dim and short-lived. Overall, owners rate the Tornek-Rayville TR-660 Acrylic Date highly for its robust construction and military-inspired design cues at its price point.

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