Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsSeiko Captain Willard

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

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

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 Marinemaster 1968 Heritage Diver's Watch is praised for its premium finishing, often described as Zaratsu-like, and robust build quality, with owners finding its 42mm case and 4 o'clock crown appealing for wearability. Some reviewers note its secondary GMT function and quieter bezel clicks may not suit all preferences, while one owner reported bezel misalignment issues. The watch is powered by the Caliber 8L45 automatic movement, offering a 72-hour power reserve and an accuracy rating of -5/+10 seconds per day, though some owners question its value proposition at its price point. On balance, owners and reviewers rate the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch highly for its exceptional finishing and refined tool-like aesthetic.

Seiko Captain Willard

The Seiko Prospex Sea 1970 Diver's Modern Re-interpretation is praised for its impressive finishing and value, with reviewers noting its well-designed dial and excellent LumiBrite lume. The watch features a textured grey or dark brown dial, silver hands and indexes with beige or cream lume, and a matte grey or dark bezel insert. It houses the 6R35 automatic movement with a 70-hour power reserve. Some reviewers question if its performance specs align with its price point. Overall, reviewers rate the Seiko Prospex Sea 1970 Diver's Modern Re-interpretation highly for its finishing and value over $1,000.

At a glance

11 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Captain Willard42.7mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Captain Willard70h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Captain Willard200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900
Captain Willard$1,300

Full specifications

Case

4 specs
Diameter
42.6mm
42.7mm
Thickness
13.4mm
13.2mm
Lug-to-Lug
49.3mm
46.6mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
underside
Dial Color
Black
Lume
LumiBrite on hands, index(es) and bezel
LumiBrite

Movement

3 specs
Caliber
Seiko 8L35
Seiko 6R35
Power Reserve
50h
70h
Jewels
26
24

Pricing

1 specs
MSRP
$2,900
$1,300
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch vs Seiko Captain Willard gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.