Which is cheaper, the Nivada Grenchen F77 MK2 41mm Automatic or the Lum-Tec B64 Chronograph?

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $1,460 for the Nivada Grenchen F77 MK2 41mm Automatic — a $915 gap before any retailer discounting.

Which is bigger, the Nivada Grenchen F77 MK2 41mm Automatic or the Lum-Tec B64 Chronograph?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 41mm for the Nivada Grenchen F77 MK2 41mm Automatic — a 3mm difference across the dial.

Which has a longer power reserve, the Nivada Grenchen F77 MK2 41mm Automatic or the Lum-Tec B64 Chronograph?

The Lum-Tec B64 Chronograph carries a 40-hour power reserve against 38 hours on the Nivada Grenchen F77 MK2 41mm Automatic.

Side by side

Nivada Grenchen F77 MK2 41mm AutomaticvsLum-Tec B64 Chronograph

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

Nivada Grenchen F77 MK2 41mm Automatic

F77 MK2 41mm

MSRP $1,460

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

At a glance

14 of 29 specs differ

Diameter

F77 MK2 41mm Automatic41mm

B64 Chronograph44mm

Power Reserve

F77 MK2 41mm Automatic38h

B64 Chronograph40h

Water Resistance

F77 MK2 41mm Automatic100m

B64 Chronograph100m

MSRP

F77 MK2 41mm Automatic$1,460

B64 Chronograph$545

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Underside

Inner

Dial Color

Meteorite

Standard

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Soprod M100

—

Beat Rate

28 vph

28,800 vph

Power Reserve

38h

40h

Pricing

1 specs

MSRP

$1,460

$545

Follow this matchup

Get a note when Nivada Grenchen F77 MK2 41mm Automatic vs Lum-Tec B64 Chronograph gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring