Side by side

Seiko Diamond CollectionvsGrand Seiko STGF387

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

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Diamond Collection
SeikoDiamond Collection
MSRP $525
STGF387
Grand SeikoSTGF387
MSRP $4,200
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

8 of 29 specs differ
Diameter
Diamond Collection30mm
STGF38726mm
Power Reserve
Diamond Collection40h
STGF38740h
Water Resistance
Diamond Collection50m
STGF387100m
MSRP
Diamond Collection$525
STGF387$4,200

Full specifications

Case

5 specs
Diameter
30mm
26mm
Thickness
6.3mm
8.1mm
Lug-to-Lug
36.5mm
32.9mm
Lug Width
5mm
13mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

1 specs
Caliber
7N01
4J51

Pricing

1 specs
MSRP
$525
$4,200
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All alternatives to the Diamond Collection →All alternatives to the STGF387 →
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Adjacent matchups

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