Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsOrient Mako-3 AA08 Diver Watch

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

At a glance

15 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Mako-3 AA08 Diver Watch41.8mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
Mako-3 AA08 Diver Watch40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Mako-3 AA08 Diver Watch200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
Mako-3 AA08 Diver Watch$375

Full specifications

Case

5 specs
Diameter
42.6mm
41.8mm
Thickness
14.1mm
12.8mm
Lug-to-Lug
49.3mm
46.8mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

5 specs
Caliber
8L45
F6922
Beat Rate
28,800 vph
21,600 vph
Power Reserve
72h
40h
Jewels
35
22
Complications
None
Day-date

Pricing

1 specs
MSRP
$3,600
$375

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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.

Orient Mako-3 AA08 Diver Watch

Owners widely praise the Orient Mako-3 AA08 Diver Watch for its excellent value, attractive dials with gradient effects, sapphire crystal, and 200m water resistance. The bracelet is noted by some as surprisingly quiet and smooth, and the watch is considered to wear well on smaller wrists. Some owners find the traditional circle indices less unique than other models, and a few note minor issues like slightly misaligned chapter markers or a "grindy" hand-winding feel. Overall, owners rate the Orient Mako-3 AA08 Diver Watch highly for its attractive design and value at the price point.

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