Which is bigger, the Synchron 70s Military or the ZRC 1904 Z.R.C Grands Fonds Heritage?

The Synchron 70s Military wears larger at 42mm versus 39mm for the ZRC 1904 Z.R.C Grands Fonds Heritage — a 3mm difference across the dial.

Which has a longer power reserve, the Synchron 70s Military or the ZRC 1904 Z.R.C Grands Fonds Heritage?

The ZRC 1904 Z.R.C Grands Fonds Heritage carries a 41-hour power reserve against 40 hours on the Synchron 70s Military.

What movement does the Synchron 70s Military run compared to the ZRC 1904 Z.R.C Grands Fonds Heritage?

Both watches run automatic movements — the Synchron 70s Military uses the Sellita SW200 and the ZRC 1904 Z.R.C Grands Fonds Heritage uses the Sellita SW200-1.

Side by side

Synchron 70s MilitaryvsZRC 1904 Z.R.C Grands Fonds Heritage

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

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Synchron 70s Military

ZRC 1904 Z.R.C Grands Fonds Heritage

gf3813231114-chesnut

MSRP $3,290

At a glance

7 of 29 specs differ

Diameter

70s Military42mm

Z.R.C Grands Fonds Heritage39mm

Power Reserve

70s Military40h

Z.R.C Grands Fonds Heritage41h

Water Resistance

70s Military300m

Z.R.C Grands Fonds Heritage300m

MSRP

70s Military—

Z.R.C Grands Fonds Heritage$3,290

Full specifications

Case

4 specs

Diameter

42mm

39mm

Thickness

12.5mm

2.4mm

Lug-to-Lug

45mm

46mm

Lug Width

—

20mm

Movement

2 specs

Caliber

Sellita SW200

Sellita SW200-1

Power Reserve

40h

41h

Pricing

1 specs

MSRP

—

$3,290

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Synchron 70s MilitaryvsZRC 1904 Z.R.C Grands Fonds Heritage

At a glance

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