Side by side

IWC Schaffhausen Iw328801 Aquatimer AutomaticvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

Add a watch
Iw328801 Aquatimer Automatic
IWC SchaffhausenIw328801 Aquatimer Automatic
MSRP $6,700
Prospex Sea 1965 Heritage Diver's Watch
SeikoProspex Sea 1965 Heritage Diver's Watch
MSRP $1,300
Buy from IWC Schaffhausen ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

16 of 29 specs differ
Diameter
Iw328801 Aquatimer Automatic42mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
Iw328801 Aquatimer Automatic120h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
Iw328801 Aquatimer Automatic300m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
Iw328801 Aquatimer Automatic$6,700
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

6 specs
Diameter
42mm
40mm
Thickness
14.1mm
13mm
Lug-to-Lug
—
46.4mm
Lug Width
22mm
20mm
Finish
Steel
Brushed and polished
Caseback
—
Solid

Crystal & Dial

6 specs
Crystal
—
Sapphire
Crystal Shape
—
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Indices
—
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
32111
6R55
Power Reserve
120h
72h
Jewels
21
24

Pricing

1 specs
MSRP
$6,700
$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.

Spinnaker Hull Diver
Spinnakermicro

Hull Diver

8 watches · 32 variantsHull
42mm·Automatic·300m WR
$375MSRP
—Used
Geckota Sea-Hunter Dive Watch
Geckotamicro

Sea-Hunter Dive Watch

6 variantsSea-Hunter
40mm·Automatic·200m WR
$349MSRP
—Used
Lorier Hydra SIII
Loriermicro

Hydra SIII

Ref. hydra-siii
39mm·Automatic·200m WR
$699MSRP
—Used
Islander Islander Automatic GMT Dive Watch with Blue Waffle Dial #ISL-214
Islandermicro
Under $50

Islander Automatic GMT Dive Watch with Blue Waffle Dial #ISL-214

9 watches · 9 variantsUnder $50
42mm·Automatic·200m WR
$499MSRP
—Used
Wolbrook Skindiver II Professional
Wolbrookmicro

Skindiver II Professional

9 watches · 69 variantsSkindiver
40mm·Automatic·200m WR
$539MSRP
—Used
Islander Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26
Islandermicro
Dive Watches Guide

Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26

7 watches · 7 variantsDive Watches Guide
42mm·Automatic·200m WR
$420MSRP
—Used
Yema Diver
Yemamicro

Diver

2 watches · 9 variantsDiver
39.5mm·Automatic·200m WR
$990MSRP
—Used
CWC 1980 RN Divers Automatic Re-Issue Watch
CWCmicro
Heritage Re-Issue

1980 RN Divers Automatic Re-Issue Watch

Ref. reissue-1980-royal-navy-diver-automatic
41mm·Automatic·300m WR
$2,458MSRP
—Used
All alternatives to the Iw328801 Aquatimer Automatic →All alternatives to the Prospex Sea 1965 Heritage Diver's Watch →
Explore the full catalog

Follow this matchup

Get a note when IWC Schaffhausen Iw328801 Aquatimer Automatic vs Seiko Prospex Sea 1965 Heritage Diver's Watch 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.

Seiko Prospex Sea 1965 Heritage Diver's WatchvsSpinnaker Hull DiverSeiko Prospex Sea 1965 Heritage Diver's WatchvsSpinnaker Hull CommanderIslander Automatic GMT Dive Watch with Blue Waffle Dial #ISL-214vsSeiko Prospex Sea 1965 Heritage Diver's WatchIslander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26vsSeiko Prospex Sea 1965 Heritage Diver's WatchGeckota Sea-Hunter Dive WatchvsIWC Schaffhausen Iw328801 Aquatimer AutomaticIWC Schaffhausen Iw328801 Aquatimer AutomaticvsLorier Hydra SIII
Edit this comparisonAdd another watchMore diver comparisonsBest Diver Watches Under $2,000Explore more 39–43mm watches