Side by side

Lum-Tec EclipsevsGrand Seiko SBGN027

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

Eclipse
Lum-TecEclipse
MSRP $695
SBGN027
Grand SeikoSBGN027
MSRP $3,700

At a glance

12 of 29 specs differ
Diameter
Eclipse42mm
SBGN02739mm
Power Reserve
Eclipse40h
SBGN02740h
Water Resistance
Eclipse101m
SBGN027200m
MSRP
Eclipse$695
SBGN027$3,700

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
42mm
39mm
Thickness
12.3mm
Lug-to-Lug
45.9mm
Lug Width
19mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
101m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
E6
Black

Movement

2 specs
Caliber
Miyota 9039
9F86
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$695
$3,700

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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 SBGN027

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

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