Established 2021
TOKYO · WORLDWIDE
REF · YM-W-001

Yokamon Market·Watches

Seiko Prospex SBBN037 Tuna 7C46-0AG0 Quartz Diver 300m Men's Watch Used Japan

Movement tested, case examined, dial & hands checked for originality. We describe what we see, not what we wish was there.

Movement
Automatic
Case size
40 mm
Shipping
Japan Post / FedEx / DHL
Returns
Not as described · 3 days
I · The Photography

Visual overview

II · The Description

About this watch

A carefully selected timepiece sourced from our network of consignors and dealers across Japan. Movement tested, case inspected under loupe, dial and hands checked for originality, bracelet examined for stretch and missing pins.

If you have any questions about timekeeping accuracy, originality, service history, or sizing, please send a message before purchase. We typically respond within one business day.

What's included. Exactly what is shown in the listing photographs — nothing pictured is excluded, nothing not pictured is included. For new / unworn watches, all factory accessories (box, papers, tags, manuals, warranty card, spare links) are supplied as packaged by the manufacturer.
100% authentic Movement tested Pre-owned Securely packed
III · The Reference

Specifications

Technical data

Brand
SEIKO
Country
Japan
Band/Strap
NA
Band Color
NA
Band Material
NA
Band Width
NA
Bezel Color
NA
Bezel Type
NA
California Prop 65 Warning
NA
Case Color
NA
Case Finish
NA
Case Material
NA
Case Size
NA
Case Thickness
NA
Caseback
NA
Closure
NA
Customized
NA
Department
NA
Dial Color
NA
Dial Pattern
NA
Display
NA
Escapement Type
NA
Features
NA
Handedness
NA
Handmade
NA
Indices
NA
Lug Width
NA
Manufacturer Warranty
NA
Max Wrist Size
NA
Model
NA
Movement
NA
Number of Jewels
NA
Reference Number
NA
Seller Warranty
NA
Style
NA
Theme
NA
Type
NA
Unit Quantity
NA
Unit Type
NA
Vintage
NA
Watch Shape
NA
Water Resistance
NA
With Manual/Booklet
NA
Country of Origin
NA
IV · The Grading

Condition

7/10

Pre-owned · Excellent

Light cosmetic wear only — small scuffs from careful use. Fully functional and tested.

NEW
NEAR MINT
EXCELLENT
VERY GOOD
JUNK / AS-IS

Notes: See condition photos at the top of the listing for full detail.

V · The Logistics

Shipping & returns

Shipping — Japan → Worldwide

  • Under USD 100: eBay SpeedPak Economy / Japan Post Small Packet / ePacket
  • USD 100 and above: we choose the most economical of FedEx, DHL, or Japan Post EMS
  • Carrier cannot be specified. If you require a specific carrier, you may pay the difference between our chosen rate and the requested carrier's rate
  • FedEx / DHL remote-area surcharges may apply depending on the buyer's address; we will notify you before dispatch
  • For oversize or heavy items, an additional shipping fee may be charged separately from the remote-area surcharge, depending on the buyer's address; we will notify you before dispatch
  • Handling: dispatched by the date shown on eBay (business days only — Saturdays, Sundays & Japanese public holidays are not business days)
  • Express upgrade may be available at additional cost — message us before paying
  • Orders USD 500 and above are automatically insured
  • Import duties & taxes are the buyer's responsibility

Returns

  • Returns are not accepted as a general policy
  • Exception: if the item differs significantly from the listing description, contact us within 3 days of receipt and we will arrange a return
  • Item must be returned in the same condition as received, with all original packaging
  • Please message us first — most concerns can be resolved without a return
VI · The Questions

Frequently asked

Is the watch authentic?
Yes. Every watch is inspected before listing — movement, dial, hands, case & bracelet are checked for originality. If we have any doubt, we do not list it.
Has the movement been serviced?
Service history is noted in the description where known. We test all watches for timekeeping before dispatch but do not perform full overhauls unless explicitly stated.
Can the bracelet be sized for me?
We dispatch with the bracelet at full length and all removed links included where applicable. Sizing should be performed by your local watchmaker.
How is the watch packed?
Double-boxed with padding and watch pillow. We pack as if every shipment will be dropped.
VII · The Catalogue

Browse our watches

Looking for a specific reference?

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— Yokamon Market · Tokyo
Sourcing authentic timepieces from Japan for collectors worldwide since 2021.
Thank you for your interest. We aim for 5-star service on every transaction.