Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsSternglas Merion

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

Merion
SternglasMerion
MSRP $701

At a glance

12 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Merion41mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
Merion41h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Merion200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
Merion$701

Full specifications

Case

4 specs
Diameter
42.6mm
41mm
Thickness
14.1mm
14mm
Lug-to-Lug
49.3mm
49mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Lume
LumiBrite on hands, index(es) and bezel
Luminova

Movement

3 specs
Caliber
8L45
Seiko TMI NH35
Power Reserve
72h
41h
Jewels
35

Pricing

1 specs
MSRP
$3,600
$701

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The Seiko Prospex Marinemaster 1968 Heritage Diver's Watch is widely praised for its excellent quality and finishing, with reviewers and owners noting its GS-level craftsmanship and Zaratsu-inspired polishing. Owners appreciate its refined design, comfortable case shape, and the 4:00 crown position, with some finding it more manageable on the wrist than other models. The Caliber 8L45 movement offers a 72-hour power reserve and accuracy within -5/+10 seconds per day, and the bracelet features an improved clasp with an extension system. However, some find the price point high, and one reviewer noted the unsigned winding crown as a missed opportunity. On balance, owners and reviewers rate the Seiko Prospex Marinemaster 1968 Heritage Diver's Watch highly for its premium finishing and tool-like appearance at its price point.

Sternglas Merion

The value proposition of the Sternglas Merion is consistently praised by reviewers. Reviewers disagree on whether the Sternglas Merion is the best dive watch under €500.

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