Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsZelos GT

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

GT
ZelosGT
MSRP $499

At a glance

15 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
GT42mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
GT40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
GT100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
GT$499

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42.6mm
42mm
Thickness
14.1mm
10.8mm
Lug-to-Lug
49.3mm
42mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
8L45
Miyota 9133
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 GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

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