Side by side

Sheffield 1A 40mmvsZelos Spearfish GMT

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

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1A 40mm
Sheffield1A 40mm
MSRP $228
Spearfish GMT
ZelosSpearfish GMT
MSRP $999
Buy from Sheffield ↗
Buy used on eBay ↗
Buy from Zelos ↗
Buy used on eBay ↗

At a glance

6 of 29 specs differ
Diameter
1A 40mm40mm
Spearfish GMT40mm
Power Reserve
1A 40mm40h
Spearfish GMT40h
Water Resistance
1A 40mm200m
Spearfish GMT200m
MSRP
1A 40mm$228
Spearfish GMT$999

Full specifications

Case

3 specs
Category
—
GMT
Lug-to-Lug
48mm
40mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
—
Frost

Movement

1 specs
Caliber
Seiko NH35
Sellita SW330-2

Pricing

1 specs
MSRP
$228
$999
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All alternatives to the 1A 40mm →All alternatives to the Spearfish GMT →
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