Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsZelos Blacktip 200m GMT

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

Blacktip 200m GMT
ZelosBlacktip 200m GMT
MSRP $499

At a glance

15 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Blacktip 200m GMT41mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
Blacktip 200m GMT40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Blacktip 200m GMT200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
Blacktip 200m GMT$499

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42.6mm
41mm
Thickness
14.1mm
13mm
Lug-to-Lug
49.3mm
41mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
8L45
Seiko NH34 GMT
Power Reserve
72h
40h
Jewels
35
25

Pricing

1 specs
MSRP
$3,600
$499

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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.

Zelos Blacktip 200m GMT

Owners widely praise the Zelos Blacktip 200m GMT's solid bracelet construction and excellent bezel action. The watch has sold out quickly, indicating strong demand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirable availability.

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