Side by side
Nivada Grenchen F77 MK2 38mm AutomaticvsRockwell Time 50mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
16 of 29 specs differDiameter
F77 MK2 38mm Automatic38mm
50mm50mm
Power Reserve
F77 MK2 38mm Automatic38h
50mm—
Water Resistance
F77 MK2 38mm Automatic100m
50mm100m
MSRP
F77 MK2 38mm Automatic$1,360
50mm$800
Full specifications
Case
6 specsCategory
Chronograph
—
Diameter
38mm
50mm
Thickness
12.2mm
0mm
Lug-to-Lug
46.2mm
0mm
Lug Width
22mm
0mm
Caseback
316L Steel Caseback
—
Crystal & Dial
4 specsAR Coating
Underside
—
Dial Color
Black Gem Onyx Dial, Super Lum. White Dots, Shiny Gold Applied Indexes, Applied Logo Gold color
—
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
5 specsCaliber
Soprod M100
Ronda 1069
Type
Automatic
Quartz
Beat Rate
28 vph
0 vph
Power Reserve
38h
0h
Jewels
25
0
Pricing
1 specsMSRP
$1,360
$800
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