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Seiko SRPC31J1
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Seiko · SRPC31J1

Seiko SRPC31J1

$390Stock unknown

Case

Diameter
42mm
Thickness
12.1mm
Lug width
21mm
Material
Stainless Steel
Water resistance
100m

Crystal & dial

Crystal
Hardlex
Lume
LumiBrite

Movement

Caliber
Seiko 4R35
Type
Automatic
Power reserve
41h
Complications
Date

Seiko

Seiko's mid-range automatic caliber, widely used in the Presage and some Prospex lines. Features hacking and hand-winding at an accessible price point. Accuracy spec is -35/+45 seconds per day, though most examples perform well within that range.

Alternatives

01The market

Market prices.

Retail$390

No forum listings recorded for this watch yet.

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

Year-by-year readings →

02The connection engine

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Squale 1521

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Farr + Swit Seaplane

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View all alternatives

03The community take

Owners talk.

“
In a nutshell

The Seiko SRPC31J1 is an automatic watch, with a 42mm stainless steel case, 12.1mm thick, powered by the Seiko 4R35 movement and a 41-hour power reserve. Water resistance is rated to 100m, under a hardlex crystal, with date complications. Manufacturer MSRP is $390.

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04The paper trail

Ask the communityStart a discussion about the SRPC31J1: get takes from other collectors.Ask →

05The discussion

Talk about the Seiko SRPC31J1.