Good and quick service
The band is great. It revised my SEIKO as it’s a brand new.
easy to replace and works perfectly. Just a little grease to help it glide
Crystal gasket seiko 7c46 and 7549. Hard to find. Good price.
Seiko SRP639 bezel 4R36-03Z0 - Baby Tuna Monster
Trusted by 25,000+ happy customers
100% GENUINE
1+ Year Warranty
10+ Years of Online Expertise
PRODUCT SPECIFICATIONS
Brand: SEIKO
SKU: 86016436
Model(s): Compatible with
Case Number(s): Compatible with
Color:
Material:
Size:
Country of Origin: Japan
HS Code: 9114.90
On this page we sell the bezel for the Seiko SRP639K1 & SRP639J1 Prospex Baby Tuna online.
Check the related products for the other parts.
This bezel is including the o-ring / gasket.
The bezel matches the photos exactly, and yes, the insert shown in the pictures is included.
Related case numbers:
4R36-03Z0, 4R36 O3ZO, 4R36-04T0, 4R36-00V0, 4R36-02A0
Related models:
SRP639J1, SRP639K1, SRP639P1, SRP639P9, SRP639
Reference-table: (if the part isn't available here; click the Reference-link or check the related products)
| Watchpart | Reference |
| Strap | R002031J0 |
| Linked-Bracelet | M0JT211J0 |
| Dial | 4R3603S4XB13 |
| Hour Hand | 1FX075FFBEW |
| Minute Hand | 2FB125FCBE6 |
| Second Hand | 3BX125FJBZM |
| Bezel | 86016436 |
| Chapter Ring | 84331836 |
| Crown | 1E70D9SNS0 |
| Glass sapphire | 310P61HN02 |
| Shroud | 85310319 |
| Case | 4R3603Z002D |
| Link | |
| Clasp | K04S11SA03Z |
Seiko SRP639 bezel 4R36-03Z0 - Baby Tuna Monster
Sale price$153.00
Regular price$200.00
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Seiko SRP639 bezel 4R36-03Z0 - Baby Tuna Monster
Sale price$153.00
Regular price$200.00
Related Products
PRODUCT SPECIFICATIONS
- Brand: SEIKO
- SKU: 86016436
- Model(s): Compatible with
- Case Number(s): Compatible with
- Color:
- Material:
- Size:
A purchase of a genuine / original SEIKO spare part is a crucial investment in your watch for the future
Original SEIKO watch parts often sell out quickly. Reserve the essential parts today to safeguard your watch's financial and emotional value for the future.
Why buy a genuine / original Bezel from SEIKO at Watch-Plaza?
✔️ Original SEIKO products are renowned for their high quality and provide long-term durability
✔️ These products are 100% compatible with the associated watches.
✔️ Original, also known as authentic, is therefore a good and reliable choice, especially considering the ethical and integrity standards in society
Even more reasons to order now!
➤Still available at our watch store—don’t miss out!
➤ This item may soon sell out or go out of production, meaning it could no longer be available in the near future
Shipping & Returns
1 to 21 days (varies by shipping method)
30-day return window
Need help?
Frequently Asked Questions
About this product
The brand is: SEIKO
The article number is: 86016436
The color is
The material is
The size is
Yes, the compatible model numbers are
Let customers speak for us
Very nice
The quality is better than what I bought before. The seller is highly recommended. The workmanship is +
J
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I bought this black leather strap with red stitching as a compatible replacement for my Seiko SNL021. The genuine leather felt comfortable from day one and softened nicely after a couple of wears. Stitching is tidy, and the subtle red detail picks up the chronograph accents without shouting for attention.
Fit and finish are exactly what I hoped for. The watch sits neatly on the wrist and feels refreshed—ideal if your original band is tired. At this price, the value is strong. It’s not an original Seiko part, but the quality feels solid and it looks right at home on the SNL series.
Pros
- Genuine leather; comfortable for daily wear
- Clean look: black with red stitching
- Good value at the current price
- Clearly labelled as compatible with Seiko SNL029, SNL021 and SNL017
Cons
- Needed a short break-in period (a day or two)
If you’re after a Seiko SNL029 strap or SNL017 watch band in this colourway, this compatible replacement does the job gracefully.
John S
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