Glycine Men's Combat Classic Open Heart 40mm Automatic Watch GL0121vsSeiko Presage Classic Series “Craftsmanship” Unglazed Arita Porcelain Dial Limited Edition

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Glycine Men's Combat Classic Open Heart 40mm Automatic Watch GL0121 at true scale

Men's Combat Classic Open Heart 40mm Automatic Watch GL0121

Seiko Presage Classic Series “Craftsmanship” Unglazed Arita Porcelain Dial Limited Edition at true scale

Presage Classic Series “Craftsmanship” Unglazed Arita Porcelain Dial Limited Edition

Diameter

40mm

40.6mm

Lug-to-Lug

n/a

49.1mm

Thickness

12mm

lowest

12.5mm

Water Resistance

50m

100m

highest

Power Reserve

n/a

72h

MSRP

$595

lowest

$1,850

Movement

Sellita SW200-1

Seiko 6R51

Case

5 specs
Diameter
40mm
40.6mm
Thickness
12mm
12.5mm
Lug-to-Lug
n/a
49.1mm
Lug Width
n/a
20mm
Water Resistance
50m
100m

Crystal & Dial

3 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 6R51
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$595
$1,850
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Glycine Men's Combat Classic Open Heart 40mm Automatic Watch GL0121

The Glycine Men's Combat Classic Open Heart 40mm Automatic Watch GL0121 is praised for its dress watch aesthetic and the character provided by the open heart complication. Owners report comfortable wear, visible lume, and good value for a Swiss-made timepiece. One owner notes the 42-hour power reserve. Overall, owners rate the Glycine Men's Combat Classic Open Heart 40mm Automatic Watch GL0121 highly for its dressy character and value.

Seiko Presage Classic Series “Craftsmanship” Unglazed Arita Porcelain Dial Limited Edition

Seiko Presage Classic Series “Craftsmanship” Unglazed Arita Porcelain Dial Limited Edition owners and reviewers widely praise its beautiful, artful unglazed Arita porcelain dial with a powdery cream texture and rhombus pattern, complemented by gold-toned hands and indices. The 40.6mm steel case is noted for its elegant design, though some find it thick and heavy. The 6R51 automatic movement provides a 72-hour power reserve, but its accuracy rating of -15/+25 seconds per day and 3 Hz frequency are considered somewhat outdated for its price point. A notable omission for some is the lack of lume on the hands. Overall, owners and reviewers rate the Seiko Presage Classic Series “Craftsmanship” Unglazed Arita Porcelain Dial Limited Edition highly for its stunning dial and overall finishing, despite some reservations about its movement accuracy and thickness.

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