Side by side

Sinn 105 St Sa UTCvsLum-Tec Eclipse

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

105 St Sa UTC
Sinn105 St Sa UTC
MSRP $1,998
Eclipse
Lum-TecEclipse
MSRP $695

At a glance

17 of 29 specs differ
Diameter
105 St Sa UTC41mm
Eclipse42mm
Power Reserve
105 St Sa UTC38h
Eclipse40h
Water Resistance
105 St Sa UTC200m
Eclipse101m
MSRP
105 St Sa UTC$1,998
Eclipse$695

Full specifications

Case

8 specs
Category
Tool
Sport
Diameter
41mm
42mm
Thickness
11.9mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Finish
bead-blasted
Brushed and polished
Water Resistance
200m
101m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
E6
Indices
Applied
Lume
Luminescent
None

Movement

3 specs
Caliber
SW 330-2
Miyota 9039
Power Reserve
38h
40h
Complications
Date, GMT
None

Pricing

1 specs
MSRP
$1,998
$695

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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.

Sinn 105 St Sa UTC

Owners and reviewers widely praise the Sinn 105 St Sa UTC for its legible dial, precise bi-directional bezel action, and the technical, toolish aesthetic of its bead-blasted, TEGIMENT-hardened steel case. The watch is noted for its smooth sweep and snappy date change, with accuracy often within COSC standards, and its vertical day/date display with a German day wheel is a distinctive feature. Some owners find the lug-to-lug distance large for smaller wrists, and the bracelet clasp is considered a weakness by one source, while the non-lumed UTC hand is a deliberate design choice. The Sinn 105 St Sa UTC utilizes a Sellita SW330-1 automatic movement with a 42-hour power reserve and offers 200 meters of water resistance. Overall, the consensus is that owners and reviewers rate the Sinn 105 St Sa UTC highly for its robust build quality and functional tool watch design at its price point.

Lum-Tec Eclipse

Owners widely praise the Lum-Tec Eclipse for its comfortable, slim profile and thin wearability, with specific commendations for its beautiful dial, good readability, and bracelet design. The knurling on the crown is also noted as a positive feature. Some owners express concern over the 42mm case size and find the dial's font and indices unappealing, though others appreciate the deep-dish slant. One owner notes a slight gap where the lugs meet the bracelet. The Lum-Tec Eclipse e3 variant features a Miyota 9039 movement, a solid bracelet, a sunburst dial, and exceptionally bright lume. Overall, owners rate the Lum-Tec Eclipse highly for its slim design and attractive dial at its price point.

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