Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsHemel HFC Mechanical Chronograph

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

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
SeikoProspex Marinemaster Marinemaster 1968 Heritage Diver's Watch
MSRP $3,600
HFC Mechanical Chronograph
HemelHFC Mechanical Chronograph
MSRP $550

At a glance

16 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
HFC Mechanical Chronograph40mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
HFC Mechanical Chronograph40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
HFC Mechanical Chronograph100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
HFC Mechanical Chronograph$550

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
42.6mm
40mm
Thickness
14.1mm
13.4mm
Lug-to-Lug
49.3mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Airfoil (1970s British Pilot)
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
8L45
Seagull ST19
Type
Automatic
Manual
Power Reserve
72h
40h
Jewels
35
25

Pricing

1 specs
MSRP
$3,600
$550

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