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Home/Browse/Seiko/Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
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Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
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Seiko · Prospex Marinemaster

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

Diver

$2,900Stock unknown

7 matched eBay listings

Case

Diameter
42.6mm
Thickness
13.4mm
Lug-to-lug
49.3mm
Lug width
20mm
Material
Stainless Steel
Water resistance
300m

Crystal & dial

Crystal
Sapphire
Shape
Curved
AR coating
Anti-reflective coating on inner surface
Lume
LumiBrite on hands, index(es) and bezel

Movement

Caliber
Seiko 8L35
Type
Automatic
Power reserve
50h
Jewels
26

Design language

Case shape
round
Dial style
textured
Bezel
rotating
Bracelet
lug-attached
Hands
mercedes

AI-detected from the product image

Prospex Marinemaster collection · 6 watches

Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation39.5mm
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition
Prospex Marinemaster Marinemaster 1968 Heritage JAMSTEC Limited Edition42.6mm
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition45.4mm

2 colorways

Alternatives

01The market

Market prices.

Retail$2,900

The forum market

See what sellers are asking.

Active listings0Across watch forums
Closed · 30d1Asking-price history

See the asking prices behind closed forum listings. Market+ adds medians with their sample sizes and the weekly trend.

Retail stock & market context

Seiko on the secondhand market

+8.1%

2026 so far · +3.8% to +12.8% · 80 matched watches

In line with the index

Divers as a group: +6.5% · 305 matched watches

Year-by-year readings →

02The connection engine

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CWC Automatic Divers Watch Mk.2 Black with Date

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Islander Luminous Dial Automatic Dive Watch #ISL-26

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View all alternatives

03The community take

Owners talk.

“

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.

Synthesized from 9 sources
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A Blog to Watch·3↗
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On real wrists

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04The paper trail

Cross-shops

Popular comparisons.

The matchups people make with the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch most: open one to see it side by side.

  • Omega Seamaster Diver 300M Co Axial Master Chronometer 42mmvs Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch→
  • Echo/Neutra 1956 Chronovs Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch→
  • Tornek-Rayville TR Type 7B Blakjakvs Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch→
  • Bell & Ross BR 03-92 DIVER BLUE BRONZE SAPPHIRE BEZELvs Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch→
Ask the communityStart a discussion about the Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch: get takes from other collectors.Ask →

05The discussion

Talk about the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch.