Side by side
Hemel HFC Mechanical ChronographvsGrand Seiko SBGW257
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
SBGW25738mm
Power Reserve
HFC Mechanical Chronograph40h
SBGW25772h
Water Resistance
HFC Mechanical Chronograph100m
SBGW25730m
MSRP
HFC Mechanical Chronograph$550
SBGW257$38,000
Full specifications
Case
7 specsCategory
Chronograph
Dress
Diameter
40mm
38mm
Thickness
13.4mm
10.9mm
Lug-to-Lug
47mm
45.8mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Platinum
Water Resistance
100m
30m
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Airfoil (1970s British Pilot)
Black
Movement
2 specsCaliber
Seagull ST19
9S64
Power Reserve
40h
72h
Pricing
1 specsMSRP
$550
$38,000
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