Side by side

Lum-Tec EclipsevsGrand Seiko SLGB023

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

Eclipse
Lum-TecEclipse
MSRP $695
SLGB023
Grand SeikoSLGB023
MSRP $12,400

At a glance

13 of 29 specs differ
Diameter
Eclipse42mm
SLGB02340.8mm
Power Reserve
Eclipse40h
SLGB02372h
Water Resistance
Eclipse101m
SLGB023300m
MSRP
Eclipse$695
SLGB023$12,400

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
42mm
40.8mm
Thickness
12.9mm
Lug-to-Lug
48.5mm
Lug Width
21mm
Material
316L Stainless Steel (DLC coated)
Titanium
Water Resistance
101m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
E6
Black

Movement

3 specs
Caliber
Miyota 9039
9RB1
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$695
$12,400

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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.

Grand Seiko SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

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