diff --git a/ds3231.hpp b/ds3231.hpp
index 2f48644..f7f0c6c 100644
--- a/ds3231.hpp
+++ b/ds3231.hpp
@@ -126,6 +126,35 @@ class DS3231 {
 		}
 	}
 
+	template <uint8_t Address, uint8_t Offset, typename Register>
+	static void writePartialRegister(const Register &reg)
+	{
+		static_assert(Offset < sizeof(Register), "Offset out of bounds");
+
+		if constexpr (Address == TIME_REG_ADDR) {
+			static_assert(type::is_same_v<Register, detail::TimeReg>, "Invalid register type");
+		} else if constexpr (Address == ALARM1_REG_ADDR) {
+			static_assert(type::is_same_v<Register, detail::Alarm1Reg>, "Invalid register type");
+		} else if constexpr (Address == ALARM2_REG_ADDR) {
+			static_assert(type::is_same_v<Register, detail::Alarm2Reg>, "Invalid register type");
+		} else if constexpr (Address == CONTROL_REG_ADDR) {
+			static_assert(type::is_same_v<Register, detail::ControlReg>, "Invalid register type");
+		} else if constexpr (Address == CONTROL_STATUS_REG_ADDR) {
+			static_assert(type::is_same_v<Register, detail::ControlStatusReg>, "Invalid register type");
+		} else if constexpr (Address == AGING_OFFSET_REG_ADDR) {
+			static_assert(type::is_same_v<Register, detail::AgingOffsetReg>, "Invalid register type");
+		} else if constexpr (Address == TEMP_REG_ADDR) {
+			static_assert(type::is_same_v<Register, detail::TempReg>, "Invalid register type");
+		} else {
+			static_assert(type::always_false_v<Register>, "Invalid register address");
+		}
+
+		I2cDriver::template start<I2C_ADDRESS>(false);
+		I2cDriver::write(Address + Offset);
+		I2cDriver::template writeBytes<sizeof(Register) - Offset>(reinterpret_cast<const uint8_t *>(&reg) + Offset);
+		I2cDriver::stop();
+	}
+
 	static uint8_t calcDayOfWeek(uint16_t year, uint8_t month, uint16_t day)
 	{
 		day += month < 3 ? year-- : year - 2;