Quick Answer
The Rolex ref. 16750, GMT Master I Pepsi, Black "No Date" Spider dial, 1986, Fullset, Serviced features a mechanical automatic movement and does not require a battery. It remains powered through the natural motion of your wrist or manual winding via the crown.
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Mechanical
This watch uses an automatic or hand-wound mechanical movement. It does not require a battery.
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Watch Specifications
| Brand | Rolex |
| Model Info | stainless steel • Black dial |
| Movement / Power | automatic |
| Battery Code | N/A |
Frequently Asked Questions
Does the Rolex ref. 16750, GMT Master I Pepsi, Black "No Date" Spider dial, 1986, Fullset, Serviced require a battery?
No. This model is automatic/mechanical and generates power via wrist kinetic motion.
How do I wind the Rolex ref. 16750, GMT Master I Pepsi, Black "No Date" Spider dial, 1986, Fullset, Serviced?
Unscrew or pull the crown to position 1 and rotate clockwise 30–40 turns to build a full power reserve.