Side by side

Casio GM-2100vsTedoro Harmony 36mm Stainless Steel Seiko NH35A

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

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GM-2100
CasioGM-2100
MSRP $220
See the full GM-2100
Harmony 36mm Stainless Steel Seiko NH35A
TedoroHarmony 36mm Stainless Steel Seiko NH35A
MSRP $495
See the full Harmony 36mm Stainless Steel Seiko NH35A
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Buy from Tedoro ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
GM-210044.4mm
Harmony 36mm Stainless Steel Seiko NH35A36mm
Power Reserve
GM-2100—
Harmony 36mm Stainless Steel Seiko NH35A41h
Water Resistance
GM-2100200m
Harmony 36mm Stainless Steel Seiko NH35A100m
MSRP
GM-2100$220
Harmony 36mm Stainless Steel Seiko NH35A$495

Full specifications

Case

7 specs
Category
Sport
—
Diameter
44.4mm
36mm
Thickness
11.8mm
—
Lug-to-Lug
49.3mm
—
Material
Resin / Stainless steel
Stainless Steel
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
Black
Burgundy

Movement

3 specs
Caliber
—
Seiko NH35
Type
Quartz
Automatic
Power Reserve
—
41h

Pricing

1 specs
MSRP
$220
$495
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