Side by side

Lum-Tec EclipsevsSeiko Prospex SPEEDTIMER

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

Eclipse
Lum-TecEclipse
MSRP $695
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $725

At a glance

14 of 29 specs differ
Diameter
Eclipse42mm
Prospex SPEEDTIMER39mm
Power Reserve
Eclipse40h
Prospex SPEEDTIMER40h
Water Resistance
Eclipse101m
Prospex SPEEDTIMER100m
MSRP
Eclipse$695
Prospex SPEEDTIMER$725

Full specifications

Case

7 specs
Category
Sport
Chronograph
Diameter
42mm
39mm
Thickness
13.3mm
Lug-to-Lug
45.5mm
Lug Width
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
101m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
E6
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Miyota 9039
V192
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$695
$725

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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.

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.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's gorgeous, unique red dial and vintage-inspired design, finding it a sturdy and reliable everyday watch. Some owners, however, question the value proposition at around $700 for a solar quartz model, citing its 13-15mm thickness and the 24-hour subdial as drawbacks. Accuracy figures vary, with one owner reporting +1/+2 seconds per day, while another notes the V192 solar movement offers a six-month power reserve. Overall, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and versatile chronograph, with its striking dial and everyday wearability being the most frequently cited strengths.

From video reviewers

The Seiko Prospex SPEEDTIMER's solar movement provides reliable power without battery replacements and accurate timekeeping, with a claimed accuracy of ±15 seconds per month. A notable trade-off is the watch's slightly thicker profile and somewhat lacking lume brightness. Reviewers disagree on whether the bezel action is smooth and clicky, with one reviewer praising it and the other not mentioning it.

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