Side by side
Oak & Oscar Batch Nº2vsBorealis Watch Co. Sea Storm MK2 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Batch Nº238mm
Sea Storm MK2 GMT41.50mm
Power Reserve
Batch Nº242h
Sea Storm MK2 GMT40h
Water Resistance
Batch Nº2100m
Sea Storm MK2 GMT300m
MSRP
Batch Nº2$1,775
Sea Storm MK2 GMT$415
Full specifications
Case
8 specsCategory
Field
Diver
Diameter
38mm
41.50mm
Thickness
10.8mm
14.15mm
Lug-to-Lug
44.9mm
48.50mm
Lug Width
20mm
20mm
Material
316L Stainless Steel (navy ceramic coated)
Stainless Steel
Water Resistance
100m
300m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Blue
Black
Lume
Super-LumiNova
BGW9
Movement
5 specsCaliber
Modified ETA 2892A2
NH34
Beat Rate
4 vph
28,800 vph
Power Reserve
42h
40h
Jewels
21
25
Complications
GMT, Chronograph, Date
None
Pricing
1 specsMSRP
$1,775
$415
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