Premium GS Modified Case 38MM High Quality Sapphire NH35/NH34 Stainless Steel Watch Waterproof GMT
Compare color
Aperture shell belt, dense bottom
Aperture shell with glass bottom
GMT ring shell belt, dense bottom
GMT Ring Shell Belt, Glass Bottom
GMT ring single shell, glass bottom
GMT ring single shell, dense bottom
Aperture Single shell, dense bottom
Aperture single shell, glass bottom
strap + clasp
Ask a question
Guarantee Safe Checkout
GS Seiko Modified Case 38mm – Sapphire Automatic / GMT Watch Case
High-quality GS-style modified watch case crafted from solid 316L stainless steel. Designed for direct dial assembly without a chapter ring, this 38mm case supports NH35/NH34 GMT and multiple Seiko movements, featuring a sapphire crystal and reliable 100m water resistance—ideal for premium custom builds and mods.
Key Features
Case Material: Solid 316L Stainless Steel
Crystal: Sapphire Crystal / K1 Glass Optional
Movement Fit: NH35 / NH34 GMT / NH36 / NH38 / NH70 and more
Dial Fit: 28.5mm (No Chapter Ring Required)
Water Resistance: 100m
Dimensions
Case Diameter: 38mm (without crown)
Lug to Lug: 44.7mm
Case Thickness: 12mm
Lug Width: 20mm
Assembly Note
Direct dial installation supported, chapter ring not required
Style: Automatic / GMT / Mod Watch Case
Watch Parts
PVD Black Datejust Watch Case 36mm 39mm 316L Stainless Steel fluted Case Sapphire NH35/36/ETA2824 PT5000 Miyota 8215 8285 Day-Date Case
Regular price
$41.58
Sale price
$27.54 - $58.10
James Cameron Watch Case Ghost King case 43.5MM new modified NH35 NH36 PT5000 ETA2824waterproof sapphire glass 316L suitable for NH35 NH36 mechanical movement
Regular price
$68.34
Sale price
$33.90 - $66.30
Gold DateJust Case two tone gold case 39mm 36mm Fluted Sapphire For Seiko NH35 NH36 NH38 NH34 Miyota 8215 Movement 28.5 Dial PT5000 ETA 2824Jubilee Bracelet
Regular price
$67.01
Sale price
$50.81
Silver DateJust Watch Case Two Tone Watch Case 39mm 36mm Fluted Sapphire Crystal For Seiko NH35 NH36 NH38 NH34 Miyota 8215 Movement 28.5 Dial Jubilee Bracelet (Copy)
Regular price
$63.20
Sale price
$47.00 - $50.81
Rose Gold Datejust Watch Case Two Tone Rose Gold Case 39mm 36mm Fluted Sapphire Crystal For Seiko NH35 NH36 NH38 NH34 Miyota 8215 Movement 28.5 Dial
Regular price
$67.01
Sale price
$50.81
40MM PVD Gold Submariner Watch Case GMT Yacht Master Polish Strap Sapphire Glass For NH35 NH36 NH34 NH38 Miyota 8215 Eta 2824 GMT SUB Yacht 20ATM waterproof
Regular price
$69.89
Sale price
$42.44 - $66.30
40MM Submariner watch case Eta2824 Sw200 PT5000 Sloping Bezel Sapphire GMT Yacht Master
Regular price
$61.55
Sale price
$57.12 - $62.52
40MM Submariner watch case NH35 NH36 NH34 NH38 NH72 Miyota 8215 SapphireSloping Bezel yacht Master GMT Case
Regular price
$61.29
Sale price
$56.57 - $61.97
151 type of dials Submariner 28.5mm dial with calendar window suitable for NH35 movement luminous dial can support DIY dial customization name/logo
Regular price
$18.25
Sale price
$12.29
28.5mm NH36 watch Dial SKx Mod watch accessory day date no lume
Regular price
$17.80
Sale price
$13.48
NH36 Watch Dial 28.5mm for SKX007 SKX173 SRPD Turtle Abalone Tuna Canne Diving Watch Dragon
Regular price
$20.87
Sale price
$19.85
NH36 Watch Dial 29mm Day Date Black Dragon Pattern+ Shark Hands Set for Skx Mod Parts
Sale price
$9.07 - $21.17
Handmade Leather Strap Vintage Top Layer Cowhide Watch Band 18 19 20 21 22MM
Regular price
$46.57
Sale price
$36.39
Mesh Strap for NTTD Sea Ghost Master Watch Strap Stainless Steel Flat-end Universal 20mm Bracelet Steel Watchband Heimdallr
Regular price
$71.66
Sale price
$55.46 - $55.54
20mm Watch Band For NH35 Submariner/explorer watch 904L Stainless Steel Watch Strap Glide Lock Buckle For Silver Oyster Bracelet
Regular price
$55.61
Sale price
$28.50
Stainless Steel Strap for Seiko Watch Band 18mm 19mm 20mm 22mm 24mm for Oyster for Jubilee Curved Metal Bracelet Men Women Band
Regular price
$35.32
Sale price
$25.96 - $28.12
Jubilee 904L Watch Bracelet for Rolex Sub GMT Yacht Daytona Watch Strap Luxury Bracelet Mod Parts Replacement Accessories 20mm
Regular price
$48.60
Sale price
$32.40 - $32.48
High Quality Vintage Oil Wax Leather Watch Band 20mm 22mm
Sale price
$28.07
Thick Premium Woven Nylon Military Watch Strap Band
Sale price
$18.35
Superior High Quality Adjustable Stainless Steel Mesh Band 20mm
Sale price
$38.87
NH35 Needles Titanium Watch Hands Pointers For NH35 NH36 Movement Wristwatch Accessories Mod Spare Watch Parts Replacements
Regular price
$17.28
Sale price
$9.72
NH35 Hands Silver/Blue Watch Hands Fit NH35 NH36 PT5000 ETA2836 2824 DG2813 3804 Miyota8215 8205 821A Movement Watch Accessories
Regular price
$16.90
Sale price
$9.34 - $9.49
NH35 Luminous Watch Hands Fit NH35 NH36 PT5000 ETA2836 2824 DG2813 3804 Miyota8215 8205 821A Movement Watch Accessories
Regular price
$16.69
Sale price
$6.97 - $7.14
NH35 Hands Silver Watch Hands Fit NH35 NH36 PT5000 ETA2836 2824 DG2813 3804 Miyota8215 8205 821A Movement Watch Accessories
Regular price
$16.22
Sale price
$8.66 - $8.82
high-quality Watch accessories watch pointer NH series 35 NH36 hands green luminous suitable for N H35/ NH36 movement
Regular price
$28.47
Sale price
$9.00 - $11.25
Arrow Watch Hands Silver/Blue/Gold Fit NH35 NH36 PT5000 ETA2836 2824 DG2813 3804 Miyota8215 8205 821A Movement Watch Accessories
Regular price
$16.55
Sale price
$6.83 - $7.21
NH35 Silver/Rose gold Watch Luminous Hands Fit NH35 NH36 ETA2836 2824 DG2813 3804 Miyota8215 8205 821A Movement Automatic
Regular price
$16.50
Sale price
$6.78 - $7.27
NEW Quality Sea 600 Style Watch Hands With C3 Bgw9 Green Blue Luminescent For Nh35 Nh36 Movement Skx007 Case 28.5mm Dial Index
Regular price
$15.21
Sale price
$7.65 - $8.19
NH35 Silver/Rose gold Watch Luminous Hands Fit NH35 NH36 ETA2836 2824 DG2813 3804 Miyota8215 8205 821A Movement Automatic
Regular price
$16.22
Sale price
$8.66 - $8.99
NH35Luminous Hands Snowflake Gold/Silver/Black/Rose Gold Watch Hand Watch Fit NH35 NH36A Miyota 82 Series ETA 2824 2836 Movement
Regular price
$17.64
Sale price
$10.08 - $10.38
