










Curated build guide
SSK/NH34 GMT Divemaster Black build guide
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Parts in this build
Build checkpoints
Plan parts here. Learn technique from the linked guides.
New to watch modding? Read the beginner guide.Checkpoint 1
Pair the dial and movement
Checkpoint: confirm the dial feet line up with the movement and any date/day window sits correctly before mounting.
Checkpoint 2
Set the hands
GMT hand-setting adds another layer. Review a full hand-setting guide, fit the 24-hour hand first, then check clearance before pressing the hour, minute, and second hands.
GMT build with an NH34 movement — fit the 24-hour hand at the correct depth before the hour/minute hands.Learn this step
Checkpoint 3
Seat the movement in the case
Checkpoint: test-fit the movement/dial/hands assembly in the case, then confirm the movement holder or spacer seats cleanly before closing anything.
Learn this step
Checkpoint 4
Fit the chapter ring
Checkpoint: seat the chapter ring and confirm its markers align with 12 o'clock and the date/day window if the build has one.
Learn this step
Checkpoint 5
Fit the bezel ring
Checkpoint: confirm the bezel ring matches the case platform, then test the click/rotation before fitting the insert.
This bezel ring is matched to the skx013 platform family — cross-family rings from a different case platform may not seat correctly.Learn this step
Checkpoint 6
Fit the bezel insert
Checkpoint: this bezel takes a separate insert, so confirm alignment and press it evenly to avoid cracking or a crooked scale.
Learn this step
Checkpoint 7
Fit the crown
Checkpoint: crown and stem fitting can require trimming. Confirm winding, hand-set, and date-set positions before sealing the case.
Learn this step
Checkpoint 8
Close the caseback
Checkpoint: inspect for dust, confirm the gasket is seated, then close the caseback without shifting the crown or movement.
Learn this step
Checkpoint 9
Fit the strap or bracelet
Checkpoint: fit the spring bars, then tug-test the strap or bracelet and confirm end links sit flush against the case.
Learn this step
