Side by side
Ferro Time Master 70vsGrand Seiko STGF387
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Time Master 7047mm
STGF38726mm
Power Reserve
Time Master 7040h
STGF38740h
Water Resistance
Time Master 7050m
STGF387100m
MSRP
Time Master 70$685
STGF387$4,200
Full specifications
Case
7 specsCategory
Chronograph
Dress
Diameter
47mm
26mm
Thickness
13mm
8.1mm
Lug-to-Lug
47mm
32.9mm
Lug Width
20mm
13mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Gold
Black
Movement
2 specsCaliber
Miyota 9039
4J51
Type
Automatic
Quartz
Pricing
1 specsMSRP
$685
$4,200
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