Side by side
Nivada Grenchen Antarctic SpidervsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Antarctic Spider38mm
SBGW30636.5mm
Power Reserve
Antarctic Spider38h
SBGW30672h
Water Resistance
Antarctic Spider200m
SBGW306100m
MSRP
Antarctic Spider$945
SBGW306$17,900
Full specifications
Case
8 specsCategory
Tool
Dress
Diameter
38mm
36.5mm
Thickness
11.1mm
11.7mm
Lug-to-Lug
46mm
42.7mm
Lug Width
20mm
18mm
Material
Stainless Steel
Gold
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
White
Black
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW200
9S64
Type
Automatic
Manual
Power Reserve
38h
72h
Complications
GMT, Date
None
Pricing
1 specsMSRP
$945
$17,900
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