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Seiko › Chrono › Prospex › SNJ025

Seiko SNJ025

Prospex · Sea. No longer sold new by Seiko US

Video reviews

Seiko "Arnie" SNJ025 - An Updated Cult Classic
Teddy Baldassarre · YouTube
Hands On: Seiko Prospex "Arnie" SNJ025 Watch Review
HICONSUMPTION · YouTube

Videos are made by independent reviewers and play from YouTube; they’re not ours. We picked ones that name this reference. Own one? Share your photos.

Where to buy

New · authorized

No longer sold new by Seiko in the US.

No seller listed for this one yet.

New · grey market (unauthorized)

Often cheaper. Covered by the store’s own warranty, not Seiko’s.

Pre-owned

The main way to buy this one now. Check condition, box and papers.

Search links show live listings, so check the exact reference before you buy. Prices change; each one shows when we checked it. We may earn a commission from some links. It doesn’t change your price or which stores we list. Authorized vs grey market vs pre-owned.

The basics

Price
Not sold new by Seiko US
See pre-owned options under Where to buy
Size
47.8 mm × 13.8 mm
50.5 mm lug to lug
Strap width
22 mm
Any 22 mm strap fits
Comes on
Silicone strap
Water resistance
200 m
Sapphire crystal
No
Hardlex
Lume
Hands and markers
Screw-down crown
Yes
Will it fit my wrist?

Rough rule of thumb from lug-to-lug length (50.5 mm), not a promise. Wrist shape matters; try one on if you can.

How it works day to day

Movement
Solar quartz
Caliber H851, rated ±15 seconds per month
Bezel
Unidirectional rotating
Hacking seconds
Not needed (quartz)
Hand-winding
Not needed (quartz)
Power reserve
Operating for approx. 6 months (when fully charged), power save: approx. 22 months
Charges from any light

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